As of today, various Guitar Hero: Warriors of Rock and DJ Hero 2 SKUs have been drastically discounted.
The standalone games are now $49.99 across the Xbox 360, PS3, and Wii. The Warriors of Rock guitar bundle is $79.99, while the band bundle is now $159.99.
Best of all, the DJ Hero 2 turntable bundle is now a mere $59.99, essentially making the included peripheral free.
[Amazon]
