Well, you can't really say "outside of the destruction" since that's the core of the game. It's a really strong core, though. I had to take a break from it because it all started to blur together and the swarming of enemies started to wear on me, but at least it was a hell of a lot of fun for a few hours. And supposedly the MP is really good too.
As for Prototype, I really fucking hate Mercer. I knew I would dislike him, but not this much. Shit VA writing and direction, shit jacket, shit collars, shit boots, shit everything. Not that RFG or even Infamous had particularly awesome main characters, but this is on a whole new level of shit.