Groovemerchant

This article is talking about peripheral bundles. Almost every mainstream site has it sold both ways.

http://www.amazon.com/MTV-Games-Rock-Band/dp/B000TT2D0M/ref=pd_bbs_sr_4/104-2167746-5847146?ie=UTF8&s=videogames&qid=1192461002&sr=8-4
http://www.ebgames.com/product.asp?product%5Fid=200307
http://www.toysrus.com/product/index.jsp?productId=2841320

I found it stand alone on bestbuy online for the people who already have two XBOX 360 guitars. I'll probably wait to buy the drums next year and just buy the game in Nov.

http://www.bestbuy.com/site/olspage.jsp?skuId=8368036&type=product&id=1177718175971