The update or full version is not available through Microsoft, but is here:
http://www.handango.com/PlatformProd...99594&R=199594
Here is the official Microsoft page:
http://www.microsoft.com/windowsmobi...d/default.mspx
This is the only quirk that I've found. My Treo comes with build 14926.2.2.1...
Incoming caller ID announcements will be spoken via the phone speaker on devices with a Windows Mobile build prior to 15097.3.0.0. To check which build is on your device, go to settings >about or start >controlpanel >about. If your build number is lower thatn 15097.3.0.0, this will be true for your device.