A victory over Calzaghe would be the biggest win of B-Hop's career IMO. After the Kessler fight most of the Calzaghe haters (including me at one point) seem to have disappeared.
I would not be excited about Taylor - Hopkins III though. If B-Hop can beat Calzaghe, which I doubt, I wouldn't mind seeing a Pavlik Hopkins match-up, but I can't see Pavlik moving up in weight again, and I don't think B-Hop is going to come down from 175. A rematch with RJJ might perk my interest, but I'd expect a Hopkins victory.