Heavyweight division.... gatta show respect for the big boys.

Then, in this order:
Welterweights (catch-weights between 140 and 150)
Super-Middleweights
Middleweight
Lightweights

Most hated divisions:
Light Heavyweight (if it wasn't for Chad Dawson, I wouldn't watch a damn LH fight, EVER! The last exciting LH they had was Michael Moorer. Even RJJ at LH was boring!)
Cruiser-weight
Flyweight

(Donaire made me a fan of Bantam and Super-Bantams!)

But, I have to admit, my list after super middleweight can become interchangeable!