I was like number 80 on the leaderboards...the catch is that I won my 360 from Mt. Dew, and got it on the 19th, and it was the first game I downloaded, so there wasn't much competition. I've gotten up to 242,000 points, but haven't played in a long time. I remember thinking "this game is the shit", I guess I'm not alone in thinking that. I'm glad there has been a lot of buzz about this game, since developers will see that, and hopefully make more games like it. I love the old school, retro arcade feel, with the cutting edge graphics, particle fx etc.
I recommend downloading some nu-skool breakbeats (Adam Freeland, Uberzone, Rennie Pilgrem) and bumping it while playing.