Available via the Guitar Hero Store, dropping $70 will earn you a standalone deck for local multiplayer action. Obviously this is still ridiculously expensive, but hey, the game's a lot of fun so we can't blame you for taking the plunge.
A true PlayStation veteran, Sammy's covered the world of PS gaming for years, with an enormous Trophy count to prove it. He also likes tennis games way more than you. _get2sammyb
Just in time for an E3 announcement
Update: Announcement proably not incoming today
Not so triumphant
Yes, we know we're writing a story on it
You'll have to pay for it, of course