The Rage Against The Machine track pack for Rock Band is available today in North America for the XBox 360, Playstation 3, and Nintendo Wii. The pack includes 3 songs and costs $5.49 (or $1.99 each).
Songs for download:
Rage Against the Machine – “Bombtrack”
Rage Against the Machine – “Killing in the Name”
Rage Against the Machine – “Sleep Now in the Fire”