http://www.humblebundle.com/

This is a pay what you want deal, whatever you pay, you get Frozen Synapse. If you pay more than the current donation average ($4.54 at the time of my posting this) you also get the Frozenbyte bundle which includes Trine, Shadowgrounds, Shadowgrounds: Surviver, a preorder for Splot, and The Jack Claw prototype!

GET ON THIS BEFORE IT'S TOO LATE!