Talyn...there is a way to disable Active Sync...someone posted it awhile back on the Titan Upgrades Forum in the NueRom 3 with Kernel thread. I will search for it and post it here. I did this last night after reflashing to JD5.1 48 MB Dyn PP. I will monitor my battery usage today since before flashing yesterday I was running JD5 with 36 PP.
Edit:--I found it...here it is....
http://forum.ppcgeeks.com/showthread...=37574&page=41