CHAMPIONS Rules!
According to Gaming Top 10 Results:

Super-Hero Based RPGs
1: Champions (Hero Games)
2: Marvel Super Heroes (TSR)
3: Mutants & Masterminds (Green Ronin)
4: DC Heroes (Mayfair)
5: Silver Age Sentinels (Guardians of Order)
6: Villains & Vigilantes (Fantasy Games Unlimited)
7: GURPS Supers (Steve Jackson Games)
8: Aberrant (White Wolf Publishing)
9: Heroes Unlimited (Palladium)
10: Godlike (Hobgoblynn Press)

Go Champions, Go!