If you are looking to save a bundle on a bundle, then you may be interested in know that this week's Humble Weekly Sale features eight Codemasters games. You can get five of them for the low price of "pay whatever you want", and all eight for six bucks or more.
The games in the bundle are Overlord, Overlord: Raising Hell DLC, Operation Flashpoint: Red River, Operation Flashpoint: Dragon Rising and Rise of the Argonauts. If you are willing to fork over $6 or more you will also get DiRT Showdown, DiRT 3 and Overlord II.
As always, you can divvy up your contribution between the developer and charity. Hit the source link to take a peek.