"It's really important if you're going to remain a valid band that you play your new stuff. Otherwise you become a parody of what you started out doing." - Janick Gers of Iron Maiden
Hard to choose, but I think mine would have to be "Unfinished Song." I like the Chuck Lofrano connection. I like the melody and enjoyed hearing Dennis work his lower register on it.
A very close second would have to be "Best Thing."
Bugsy
Change your hairdo. Change your name. Congratulations! You're still the same.