I've seen some deals in my time, but it's been a while since I felt it necessary to drop what I was doing and spread the word. Right now, Amazon is offering its "Absolutely Great Square Pack" for $9.99, which totally lives up to the name. Here's what is included:
Going one step further, if you purchase this before October 20, 2012 at 11:59pm Pacific, they will throw in a $5 credit good towards a pre-order of the PC download of Hitman: Absolution. And yes, Steam keys are included for these titles. Happy downloading!