It's the last day of the Holiday Steam
sale and today they are bringing back all their best deals. This means you can get
Bioshock, Torchlight, and
Killing Floor for the criminally low $4.99, as well as
Left 4 Dead 2 for $33.49. If you're really cheap you can get get Defense Grid for $2.49 or
S.T.A.L.K.E.R.: Shadow of Chernobyl for $2. It's the last day of the sale and it looks like you could get a lot of really great games for less than $20.