Bill Connelly’s Georgia preview has everything you could want. This, for example, is as succinct a summary of the transition as you could write:
Richt always recruited well, but Smart’s been otherworldly. And while Richt got within a play of the title game, Smart got to within a play of the title. He’s already further along.
I’d urge you to read the whole thing, but I doubt you need my urging.