DUDES - This is some really amazing stuff!
Basically check out RUNNER2.COM for the details!
The long and short of it is this:
Music bundle, pay what you want.
$10 gets you ALL of the original BIT.TRIP soundtracks from the first 6 games AND the Runner2 OST.
$20 gets you all of the above AND a copy of Runner2, when it releases on Feb 26th.
Being a totaly LOVER? Pricless.