Two bits of news of RCR news to post:
1) The Retro City Rampage CD is now available. The details are in this Destructoid article.
2) If you're interested in learning how the sound effects for Retro City Rampage were done, I've written an article on it for CreatingSound.com. Have a look if you're interested in making some NES-style sound effects. I've released the impulse tracker source for two of the sound effects for those that are interested. I'm hoping it will help people see how tricky it is to do chiptune sound effects in a tracker