diff --git a/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp b/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp
index e99d3987..0c1baec1 100644
--- a/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp
+++ b/sleepyhead/SleepLib/loader_plugins/prs1_loader.cpp
@@ -811,7 +811,7 @@ bool PRS1Import::ParseF5Events()
         code = buffer[pos++];
 
         if (code >= ncodes) {
-            qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << startpos;
+            qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << startpos << "in" << event->sessionid;;
             qDebug() << "1: (" << int(lastcode) << hex << lastpos << ")";
             qDebug() << "2: (" << int(lastcode2) << hex << lastpos2 << ")";
             qDebug() << "3: (" << int(lastcode3) << hex << lastpos3 << ")";
@@ -925,11 +925,16 @@ bool PRS1Import::ParseF5Events()
             break;
 
         case 0x09: // ASV Codes
-            //code=CPAP_FlowLimit;
-            data0 = buffer[pos++];
-            tt -= qint64(data0) * 1000L; // Subtract Time Offset
+            if (event->familyVersion<2) {
+                //code=CPAP_FlowLimit;
+                data0 = buffer[pos++];
+                tt -= qint64(data0) * 1000L; // Subtract Time Offset
 
-            FL->AddEvent(tt, data0);
+                FL->AddEvent(tt, data0);
+            } else {
+                data0 = buffer[pos++];
+                data1 = buffer[pos++];
+            }
 
             break;
 
@@ -1001,44 +1006,53 @@ bool PRS1Import::ParseF5Events()
             break;
 
         case 0x0d: // All the other ASV graph stuff.
-            IPAP->AddEvent(t, currentPressure = data0 = buffer[pos++]); // 00=IAP
-            data4 = buffer[pos++];
-            IPAPLo->AddEvent(t, data4);               // 01=IAP Low
-            data5 = buffer[pos++];
-            IPAPHi->AddEvent(t, data5);               // 02=IAP High
 
-            TOTLEAK->AddEvent(t, leak=buffer[pos++]);           // 03=LEAK
-            if (calcLeaks) { // Much Quicker doing this here than the recalc method.
-                leak -= (((currentPressure/10.0f) - 4.0) * ppm + lpm4);
-                if (leak < 0) leak = 0;
+            if (event->familyVersion>=2) {
+                data0 = (buffer[pos + 1] << 8 | buffer[pos]);
+                data0 *= 2;
+                pos += 2;
+                data1 = buffer[pos++];
+                tt = t - qint64(data1) * 1000L;
+            } else {
+                IPAP->AddEvent(t, currentPressure = data0 = buffer[pos++]); // 00=IAP
+                data4 = buffer[pos++];
+                IPAPLo->AddEvent(t, data4);               // 01=IAP Low
+                data5 = buffer[pos++];
+                IPAPHi->AddEvent(t, data5);               // 02=IAP High
 
-                LEAK->AddEvent(t, leak);
-            }
+                TOTLEAK->AddEvent(t, leak=buffer[pos++]);           // 03=LEAK
+                if (calcLeaks) { // Much Quicker doing this here than the recalc method.
+                    leak -= (((currentPressure/10.0f) - 4.0) * ppm + lpm4);
+                    if (leak < 0) leak = 0;
 
-
-            RR->AddEvent(t, buffer[pos++]);             // 04=Breaths Per Minute
-            PTB->AddEvent(t, buffer[pos++]);            // 05=Patient Triggered Breaths
-            MV->AddEvent(t, buffer[pos++]);             // 06=Minute Ventilation
-            //tmp=buffer[pos++] * 10.0;
-            TV->AddEvent(t, buffer[pos++]);             // 07=Tidal Volume
-            SNORE->AddEvent(t, data2 = buffer[pos++]); // 08=Snore
-
-            if (data2 > 0) {
-                if (!VS) {
-                    if (!(VS = session->AddEventList(CPAP_VSnore, EVL_Event))) {
-                        qDebug() << "!VS eventlist exit";
-                        return false;
-                    }
+                    LEAK->AddEvent(t, leak);
                 }
 
-                VS->AddEvent(t, 0); //data2); // VSnore
-            }
 
-            EPAP->AddEvent(t, data1 = buffer[pos++]); // 09=EPAP
-            data2 = data0 - data1;
-            PS->AddEvent(t, data2);           // Pressure Support
-            if (event->familyVersion >= 1) {
-                data0 = buffer[pos++];
+                RR->AddEvent(t, buffer[pos++]);             // 04=Breaths Per Minute
+                PTB->AddEvent(t, buffer[pos++]);            // 05=Patient Triggered Breaths
+                MV->AddEvent(t, buffer[pos++]);             // 06=Minute Ventilation
+                //tmp=buffer[pos++] * 10.0;
+                TV->AddEvent(t, buffer[pos++]);             // 07=Tidal Volume
+                SNORE->AddEvent(t, data2 = buffer[pos++]); // 08=Snore
+
+                if (data2 > 0) {
+                    if (!VS) {
+                        if (!(VS = session->AddEventList(CPAP_VSnore, EVL_Event))) {
+                            qDebug() << "!VS eventlist exit";
+                            return false;
+                        }
+                    }
+
+                    VS->AddEvent(t, 0); //data2); // VSnore
+                }
+
+                EPAP->AddEvent(t, data1 = buffer[pos++]); // 09=EPAP
+                data2 = data0 - data1;
+                PS->AddEvent(t, data2);           // Pressure Support
+                if (event->familyVersion >= 1) {
+                    data0 = buffer[pos++];
+                }
             }
             break;
 
@@ -1361,7 +1375,7 @@ bool PRS1Import::ParseF0Events()
         code = buffer[pos++];
 
         if (code > 0x15) {
-            qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << startpos;
+            qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << startpos << "in" << event->sessionid;
             qDebug() << "1: (" << hex << int(lastcode) << hex << lastpos << ")";
             qDebug() << "2: (" << hex << int(lastcode2) << hex << lastpos2 << ")";
             qDebug() << "3: (" << hex << int(lastcode3) << hex << lastpos3 << ")";
diff --git a/sleepyhead/UpdaterWindow.cpp b/sleepyhead/UpdaterWindow.cpp
index e5f37297..90217bc7 100644
--- a/sleepyhead/UpdaterWindow.cpp
+++ b/sleepyhead/UpdaterWindow.cpp
@@ -9,6 +9,7 @@
 #include <QNetworkRequest>
 #include <QNetworkReply>
 #include <QMessageBox>
+#include <QDesktopServices>
 #include <QResource>
 #include <QProgressBar>
 #include <QTimer>
@@ -71,21 +72,46 @@ UpdaterWindow::~UpdaterWindow()
     delete ui;
 }
 
+QString platformStr()
+{
+    static QString platform;
+
+#if defined(Q_OS_WIN)
+    platform="win32";
+#elif defined(Q_OS_MAC)
+    platform="mac";
+#elif defined(Q_OS_LINUX)
+    platform="ubuntu";
+#else
+    platform="unknown";
+#endif
+
+    return platform;
+}
 
 void UpdaterWindow::checkForUpdates()
 {
-    QString filename = QApplication::applicationDirPath() + "/Updates.xml";
+    QString platform=platformStr();
 
+#ifdef Q_OS_WINDOWS
+    QString filename = QApplication::applicationDirPath() + "/Updates.xml";
+#else
+    QString filename = QApplication::applicationDirPath() + QString("/LatestVersion-%1").arg(platform);
+#endif
     // Check updates.xml file if it's still recent..
     if (QFile::exists(filename)) {
         QFileInfo fi(filename);
         QDateTime created = fi.created();
         int age = created.secsTo(QDateTime::currentDateTime());
 
-        if (age < 0) { // 7200) {
+        if (age < 900) {
             QFile file(filename);
             file.open(QFile::ReadOnly);
-            ParseUpdateXML(&file);
+#ifdef Q_OS_WINDOWS
+            ParseUpdatesXML(&file);
+#else
+            ParseLatestVersion(&file);
+#endif
             file.close();
             return;
         }
@@ -93,8 +119,11 @@ void UpdaterWindow::checkForUpdates()
 
     mainwin->Notify(tr("Checking for SleepyHead Updates"));
 
-    // language code?
-    update_url = QUrl(QString("http://sourceforge.net/projects/sleepyhead/files/AutoUpdate/%1/Updates.xml/download").arg(PlatformString));
+#ifdef Q_OS_WINDOWS
+    update_url = QUrl(QString("http://sleepyhead.jedimark.net/packages/%1/Updates.xml").arg(platform));
+#else
+    update_url = QUrl(QString("http://sleepyhead.jedimark.net/releases/LatestVersion-%1").arg(platform));
+#endif
     downloadUpdateXML();
 }
 
@@ -138,15 +167,27 @@ void UpdaterWindow::updateFinished(QNetworkReply *reply)
 
 
         ui->plainTextEdit->appendPlainText(tr("%1 bytes received").arg(reply->size()));
+
+#ifdef Q_OS_WINDOWS
         QString filename = QApplication::applicationDirPath() + "/Updates.xml";
+#else
+        QString filename = QApplication::applicationDirPath() + QString("/LatestVersion-%1").arg(platformStr());
+#endif
+
         qDebug() << filename;
         QFile file(filename);
         file.open(QFile::WriteOnly);
         file.write(reply->readAll());
         file.close();
         file.open(QFile::ReadOnly);
-        //QTextStream ts(&file);
+
+#ifdef Q_OS_WINDOWS
         ParseUpdatesXML(&file);
+#else
+        ParseLatestVersion(&file);
+#endif
+        PREF[STR_GEN_UpdatesLastChecked] = QDateTime::currentDateTime();
+
         file.close();
         reply->deleteLater();
     }
@@ -398,6 +439,23 @@ void StartMaintenanceTool()
 #endif
 }
 
+void UpdaterWindow::ParseLatestVersion(QIODevice *file)
+{
+    // Temporary Cheat.. for linux & mac, just check the latest version number
+    QTextStream text(file);
+
+    QString version=text.readAll().trimmed();
+    qDebug() << "Latest version is" << version;
+    int i=compareVersion(version);
+
+    if (i>0) {
+        mainwin->Notify(tr("Version %1 of SleepyHead is available, opening link to download site.").arg(version), STR_TR_SleepyHead);
+        QDesktopServices::openUrl(QUrl(QString("http://sleepyhead.jedimark.net")));
+    } else {
+        mainwin->Notify(tr("You are already running the latest version."), STR_TR_SleepyHead);
+    }
+}
+
 //New, Qt Installer framework version
 void UpdaterWindow::ParseUpdatesXML(QIODevice *dev)
 {
diff --git a/sleepyhead/UpdaterWindow.h b/sleepyhead/UpdaterWindow.h
index fd104264..c57601a9 100644
--- a/sleepyhead/UpdaterWindow.h
+++ b/sleepyhead/UpdaterWindow.h
@@ -52,6 +52,7 @@ class UpdaterWindow : public QMainWindow
         */
     void ParseUpdateXML(QIODevice *dev);
     void ParseUpdatesXML(QIODevice *dev);
+    void ParseLatestVersion(QIODevice *dev);
 
   protected slots:
     void updateFinished(QNetworkReply *reply);
diff --git a/sleepyhead/main.cpp b/sleepyhead/main.cpp
index 86296938..348f8d96 100644
--- a/sleepyhead/main.cpp
+++ b/sleepyhead/main.cpp
@@ -506,7 +506,7 @@ retry_directory:
 
     loadChannels(changing_language);
 
- //   if (check_updates) { mainwin->CheckForUpdates(); }
+    if (check_updates) { mainwin->CheckForUpdates(); }
 
     w.show();
 
diff --git a/sleepyhead/updateparser.h b/sleepyhead/updateparser.h
index e1a3062c..07664dcd 100644
--- a/sleepyhead/updateparser.h
+++ b/sleepyhead/updateparser.h
@@ -154,5 +154,4 @@ class UpdatesParser
     QString currentTag;
 };
 
-
 #endif // UPDATEPARSER_H