Microsoft is in a unique situation. This E3 and the next 6 months critical.

[polezo]

I'm going to go ahead and add Left4dead to that game list too...

I know Valve games typically underperform on consoles, but the gameplay and style of L4D--not to mention the addition of local multiplayer (at least for co-op)--makes me think this one will do better than its predecessors from valve did on the 360.