If anyone is annoyed by their TP waking up whenever it loses or reacquires a signal, I'm gonna give a shameless plug for my thread that details a simple workaround/fix if you are running a a ROM with CHT. I'm working on a non-cookie fix not that I know the reg settings.
Heres the thread:
http://forum.ppcgeeks.com/htc-touch-...orkaround.html
Hope this solves a long standing, battery draining problem.
David