The Humble Indie Bundle
Five amazing, cross-platform indie games, one gorgeous sale. The Humble Indie Bundle lets you pick up World of Goo, Aquaria, Gish, Lugaru and Penumbra: Overture for one magically low price of whatever you want to pay. All titles are DRM-free and run on Windows, Linux and Mac operating systems, so you're free to play what you like, how you like it!
Here's the humble part: you decide where your money goes. You can distribute the cash any way you please, sending it to the game developers, one of the bundle's chosen charities, or a mixture of both. It's your choice, but either way, you get the games, and everybody wins.
Go check out The Humble Indie Bundle, get a few really great games, and help out a few charities/indie devs. You've got just over three days before the sale ends!