To the original poster with a Vogue(if you still need this info) I believe you will need to change to a diff radio. I would say try the Bell 3.42.50. That radio is available in this thread:
http://forum.ppcgeeks.com/showthread.php?t=74304 Try the instructions in post 12 to get gps working.Or you could try the Verizon radio which is in this post:
http://forum.ppcgeeks.com/showpost.php?p=997588 To those Touch Pro users, post your questions in the Touch Pro forum so there will be less confusion. Hope this helps !