Superhero RPG suggestions?

[karlindel]

Spirit of the Century is a pulp superhero RPG, and you can find the free SRD here:
SotC SRD

I haven't had a chance to play it, but have heard a lot of good things about it.

 

[Walking Dad]

Don't use 4C if you can use the original...

BESM d20 and Silver Age Sentinels d20 (a d20 based superhero game) use the same system with only slight changes and some name differences.

You can find the free SRD here:
SYSTEM REFERENCE DOCUMENT