Found these on another forum, the prices could be BS as theres no source but the screenies r probably real
* Rock Band Bundle - $199.99 (The Rock Band Bundle for the Xbox 360 includes the game, wireless guitar, drums and microphone.
* Rock Band Game - $59.99
* Rock Band Drum Set - $79.99
* Rock Band Microphone - $29.99
* Rock Band Wireless Fender Guitar Controller - $79.99
* Rock Band Bundle - $199.99 (The Rock Band Bundle for the Xbox 360 includes the game, wireless guitar, drums and microphone.
* Rock Band Game - $59.99
* Rock Band Drum Set - $79.99
* Rock Band Microphone - $29.99
* Rock Band Wireless Fender Guitar Controller - $79.99