"The HTC Touch Pro2 and upcoming
HTC Touch Diamond2 will have Windows Mobile 6.5 updates available, but it all depends on the carriers. For example, Sprint said its
HTC Touch Pro2 update won't arrive until sometime in early 2010."
source:
http://www.pcmag.com/article2/0,2817,2353789,00.asp
I don't know how accurate this is but sounds... lame.

(sorry if this is already a topic)
... Just found this from Microsoft's website.
http://www.microsoft.com/windowsmobi...5-upgrade.mspx