Top 3? That's tough, but here goes (images scraped from YoJoe.com)
1. Cobra Infantry Pack Trooper
2. Alley Viper
3. Ol' Chromedome to command them
Some other great figures worth mentioning
An original character with a compelling design and a neat specialty (hang-glider trooper)
A sniper with great gear and a saucy hat!!
NIGHT FORCE w/ MUSCLES
First Jinx unmasked figure
America's Canada's sweetheart