The new Humble Indie Bundle
is out and it's pretty good. I haven't tried everything personally on the KF yet (bought it for a friend, not myself) but there are demos to make sure it's compatible.
and, if you contribute more than the average, you also get
World of Goo
World of Goo is awesome, and I'm also a fan of Osmos (at least on iOS). Anyway, that's a lot of games for around $6, and it's nice to know that the money goes to your choice of charity too, either EFF or Child's Play.