I'll be keeping an eye out for the update. It seems like the Classic Bundle has another couple weeks or more yet before it's gone, so I'm not too worried about when it gets fixed. As long as we have a result before it's gone.
I'll be a bit disappointed if nothing is done by the next plus update. That's 2 weeks for fixing a problem that only requires Sonic 1 and 2 to be set as free individually for plus members, it's identical to the bundle and would have no download issues.