Decided to search the FCC website today (only the 2nd time I've ever done it) and look what was put up there yesterday!
Part One
Part Two
Adobe Acrobat reader needed.
Having read it through, the main additions from the GX20 are a 1 megapixel camera, a bigger external display, a higher capacity battery, SD card slot, MP3 player and Bluetooth.
Disappointments are that it doesnt *seem* to be able to play MP3 ringtones, still a lack of alerts for calendar entries and the mobile light colours still cannot be assigned to different callers.
This is not the finished manual though, with large chunks seemingly copied directly from the GX20 manual.
The rest is up to Vodafone. If they release the kind of Java applications that this phone is capable of, such as TV/Video remote control apps, Java cartoon characters that can access your phonebook and tell you who you haven't called in a while, and Java standby screens that never standby, then this phone will be very good.