FINALLY! - The first upgrade to the three AT&T devices is here!  The Blackjack and Trei 750 should be following soon...

http://www.america.htc.com/support/8525/software-downloads.html

 

IMPORTANT DISCLAIMER:

At this time, Good Mobile Messaging is not supported on the AT&T 8525 with Windows Mobile 6. It is recommended that Good Mobile Messaging users not upgrade their device’s firmware at this time but download the WM6 update and save it for when Good Mobile Messaging is supported on the AT&T 8525 with Windows Mobile 6. Please note that the latest Windows Mobile 6 firmware is a permanent upgrade once it has been loaded on your AT&T 8525. There is no way to roll back the AT&T 8525 to Windows Mobile 5 once the Windows Mobile 6 upgrade has been completed.