Save battery life and memory.
We all know how activesync is a PITA to close, and somethimes will downright refuse to.
This utility kills it off after a sync, automatically.
Install, and soft reset.
ASyncKiller
http://forum.xda-developers.com/show...27&postcount=1
Edit: Jury is still out on this one. It works, but AS is back up when the phone resumes from Sleep.