Carrier: AT&T
Retail Price: $199.99 or via ebay
Contract Price: $149.99 or via Lets Talk
Hot Features: Windows Mobile 6.1, Joystick center navigation

The Propel Pro added Windows Mobile and became a smartphone.  Additional upgrades from the original Propel include WiFi and a new 3MP camera instead of the 1.3MP.  Other key features include stereo Bluetooth, type A-GPS that supports LBS and AT&T Navigation, and custom or real-music ringer options.