Amazon has PS2 Guitar Hero Rock Band Game, Drums, Mic $54.16 shipped! Free super saver shipping.
Bundle includes game, USB Hub, microphone, guitar and drum set peripherals
45 licensed tracks from legendary rockers
Showcase a real drum solo with Rock Band's freestyle drum fill Windows featured in each song
Vocalists can bring the crowd to their feet during Rock Band's freestyle vocal fill windows. Ad-lib your own words or shout to the crowd to raise the rock intensity of the performance.
Build your own band and tour the world
This is the cheapest I've found it so far. I went ahead and bought it this time. I found it for $69.99 on bestbuy a while back and my sister bought it from there. I felt like I could find it even cheaper so I waited, lol.