If you've ummed and aahed over installing this game, this might be the last bit of incentive you need.
TF2 proved very popular at LlamaLAN X. If you have yet to own it, this may be a good time to consider it!
Valve is selling TF2 for just $9.99, and apparently only till this weekend is over.
http://store.steampowered.com/app/440/
