Cortex is one of those systems that when people talk about it, my interest is piqued, but I have no desire to build a game from scratch using it. Maybe one day i will play it at a con, or find one of the games that used it as a core (there was a Marvel one I think, as well as Smallville and maybe Leverage?).
Yep. Unfortunately, these games are out of print at this point, as they were licensed properties. Margaret Weis Productions tended to focus on such, for some reason.
Leverage is an excellent example of Cortex at it basics. And, you know, heists are great.
Marvel Heroic Roleplaying is a more complicated game than Leverage. I think it does the genre well, but Marvel seems to have been very, very focused on having people play Marvel IP - Marvel's heroes in adventures based on plotlines from the comics. That's not the fault of the writers, but I found it to be a major limitation.

