Windows Mobile 6.5 upgrade free for HTC Touch Pro2, Touch Diamond2 and SnapThis article contains unofficial information.
At this time, it is unsure which countries outside of Germany, Austria and Switzerland will be included in the upgrade, or whether there is any carrier involvement in the process. For those not able to get the upgrade, the xda developers forum has been a source of Windows Mobile 6.5 ROM's for a few months.
HTC Touch Pro2 Specifications | Review
HTC Touch Diamond2 Specifications | Review
HTC Snap Specifications | Review
source: AreaMobile (translated) via wmpoweruser