Now would be an excellent time to announce a re-release of the first Guitar Hero with the improved GH2 engine (HOPOs and practice mode ftw) and maybe the bonus songs that the X360 people get. At least The Trooper. Anyone care to start an online petition - in the unlikely case such a thing might actually have an effect?
I bought PS2 just for GH1/2, but I'm not about to do the same again for future GH titles with X360. I would, however, buy a GH re-release without thinking twice.