Do the thing everybody does in time of need... restart your network and the xbox. If that doesn't work send an e-mail to harmonix (pay attention there, if you send it to microsoft you might never hear back and developers take more pride in their work) and wait.

There has been a bunch of rumors going around, but from what I hear from TPB blog, the site is going legit. It was acquired by a weird company for some vastly large number, but the bottom line is that soon you will have to pay to pirate. Though, somebody has indexed the entire pirate bay hand has...

Everything is being held up till all the new hardware is out - these console have reached the mid-life point and they got to finish innovating before the next platform comes out.