I think its $100 for the sdk I think.

And I really do think that this is a great idea.

SandvichSpy wrote:oooo shiny, slimmed down, bigger hd, and probably gonna give you red ring of death within a week of owning it

so true. got my rrod 3 times then i just stopped playing xbox 360 altogether.

sorry my bad, it is a new mod made by the people who made portal: prelude.
right now its only for l4d1 but soon l4d2!

if you haven't seen it you can see the youtube trailer:
http://www.ihatemountains.com/video-trailer/

YAY! IT'S HERE!!
DOWNLOAD IT NOW!!