Attached is a copy of my latest crashlog from this evening (11/30). My iMac (Late '06; 5,1) seems to be constantly looking for a way to freeze, rendering my mouse inoperable. This normally occurs when I'm using videochat through iChat or another CPU intensive task. Tonight, it froze while I was away from the computer with only one tab open in Chrome and iChat running in the background. This has been a fairly persistent problem since installing Lion, so I figured that I'd post here so that someone could lend their expertise to help me solve my problem. THANKS!