Why RC2? I think you'll be pleased to learn that RC1 will probably already be what you're waiting for; if RC1 passes the test of a lot more live boards, the team would go for Gold right away and there wouldn't be any RC2.
Well, I think with RC1 there will be a huge community (probably including me) to retest the whole thing. So I expect quite a few more bugs to uncover. And personally I prefer a release process where STABLE is an (except for Version ID) unchanged version of the last RC.
So for this, I would expect to see (at least) two RC Versions.
(i'd rather wait a little longer and get a perfect result