I want to see Pavlik take on Joe Calzaghe now. I'd put my money on Pavlik. Calzaghe is quick but Pavlik is a power machine. Both have tremendous stamina.
"On May 28, 2008 it was reported that Pavlik's next title defense should he beat Lockett would be against undefeated light-heavyweight champion Joe Calzaghe, according to his promoter Bob Arum. No deal is finalized as of now." -
http://en.wikipedia.org/wiki/Kelly_Pavlik