Rock Band - Game Only (PS3) Release date : 12/09/2008

101CD	£14.79	Buy now
blah!	£14.79	Buy now
Base.com	£14.79	Buy now
DVD.CO.UK	£14.79	Buy now
Gameseek	£15.89	Buy now
Play.com	£17.24	Buy now
Coolshop	£17.99	Buy now
Tesco	£33.97	Buy now
Simply Games	£39.85	Buy now

An ebay search for Rock Band - Game Only
gives the following results