Wirelessly posted (htc Vogue: Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11) Sprint MP6950SP)
It's probably not Activesync. I suggest you check out the Touch Pro Cleanup Thread. Applying some tweaks should help a lot. I suggest you use an app called ClearTemp to help clear cache, cookies, history, and other temp files than can bog things down. Run it at least once a week.
