HTC and AT&T are offerring a trade-in program for customers interested in purchasing the AT&T Tilt2 (also known as the GSM version of the HTC Touch Pro2).
To qualify for the promotion you must trade-in a working smartphone made by BlackBerry®, an Apple® iPhone, a Palm device by Palm, a Nokia smartphone or any device running on the Windows Mobile® or Android operating system. Program start date begins November 18, 2009. Purchase a new HTC TILT2 and trade-in your qualifying smartphone by January 31, 2010. Package and send in all of the below items postmarked by February 28, 2010.
More details can be found here: http://www.htctradein.com/att/