Just to let you guys know, TF2 is free 2 Play this whole weekend as a promotion. Think of this as a trial play till sunday but you get to access full features of the game. Its also to promote the new goldrush mode. Theres also a new item system up now in it, heres a link if you wanna try it:
http://www.steampowered.com/goldrush/
I'm getting it right now for my other steam account that doesnt have orange box on it.