I’ve just begun participating in what maybe the most addictive game-fourm hybrid on the Internet, MacHeist. Essentially, Mac fanatics can test their puzzle cracking skills and chat with other Mac users all the while earning licenses to some great Mac applications.
As much as I love working through a thought-provoking mental maze, I think what has been most enjoyable and useful so far is the conversations with other Mac users and the variety of advice put forth.
Best tip so far: Download Caffeine
Caffeine is a nice little app that keeps your Mac from automatically falling asleep or dimming. I have found this quite useful for getting my TV online fix, so Mac users, go check it out.
