Okay, this is still killing me. @daviesgeek, go earn a quick 2 points by proposing the edit that removes the "to" after "Mac" in the topic line:
http://apple.stackexchange.com/questions/40460/how-can-i-find-what-is-making-my-mac-to-run-hotter-and-causing-the-fans-to-run-m/40461#40461