The Good Ship Destructiod is taking suggestions to make the already pretty awesome Crackdown even better for the eventual sequel. They're going to collect all of your witty, properly spelled suggestions and share them with Real Time Worlds. Isn't that nice?
TheFeed's first suggestion for Crackdown 2: Halo 4 Multiplayer Beta. It'll be about time by then. And clearly, these two great tastes went f'ing great together this year.
Destructoid.com: The Perfect Sequel: Crackdown