I like the RKO myself, just as I did the Diamond Cutter, and the Ace Crusher. Here's my list
Best:
Double Rotation Moonsault
Sit-out Powerbomb
Pedigree
Canadian Destroyer
F-5
Sharpshooter
Crossface
Shooting Star Press
Worst:
Samoan Spike
Head Chop
Leg Drop
Cobra
Spear when done...