Don't own the Orange Box yet?  How's that Crack treating you?

Amazon.com
The Orange Box delivers five innovative games from Valve, creators of the Half-Life franchise, in one box. The Orange Box includes Half-Life 2: Episode Two, PortalTM, and Team Fortress 2 in addition to full versions of the award-winning Half-Life 2 and Half-Life 2: Episode One for an engrossing first-person action experience.

http://www.amazon.com/Valve-The-Orange-Box/dp/B000PS2XES/ref=pd_bbs_sr_1?ie=UTF8&s=videogames&qid=1202880113&sr=8-1