If you are using HTC Tytn II/Kaiser/Tilt, and running one of the custom ROMs by Duttythroy, a solution has been posted the xda-developers to make Blackberry Connect 4.0.0.97 work with Windows Mobile 6 and 6.1
Read all about it at
http://wiki.xda-developers.com/index.php?pagename=DuttySeriesKaiser
I tried it with my HTC Touch Cruise/Polaris and unfortunately it didn’t work