Stars are to do with your status, I think (you'd think I'd KNOW, wouldn't you
) And status is related to the number of posts you have made - it matters to some folk and not others. It doesn't have anything to do with the "quality" of your posts - we did try to introduce that but withdrew it. Personally, I don't think it matters
Oh, and I have no idea how it will be set up on the new site