Wirelessly posted (htc Pocket PC: Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 8.12; MSIEMobile6.0) Sprint T7380)
Well, I would try Rhodium Keyboard controller first because it's free.
AEButton is older but great and I believe was written specifically for remapping these keys but I think it costs a little. Let me see if I can link you to them.