That's the thing yo, I totes thought I already was. I'm currently playing three MHR games on PBP right now, and it seems to work pretty well. It's a very narrative system, and actually, I think it works even better in PBP than tabletop just for the amount of time and organization you have to narrate your action and justify your dice pool. I like to include at least one line for every die I add.
Regardless, yo, this is the system we're playing and we'd love to have you play until you get bored with us, but doing the equivalent of shouting about how we should be playing Go Fish in the middle of a poker game is just being a nick about it.
As for Mass Effect, it's a cool setting, mang. You can be a robot and everything.