find out your cpu usage
 

here is the link for a program that runs on your today screen (not ideal but will give you idea) that tracks your cpu usage, memory usage as a graph so you can see what effect opening or activating a program has

http://www.pocketgear.com/software_detail.asp?id=5367

mine seems to run at 50% when activate and about 5% when asleep

No need for a new thread, you are already discussing this here:

http://www.ppcgeeks.com/thanks-for-t...ike-t2503.html