http://www.kongregate.com/games/TenebrousP/accelerator
My best is 977. Curious to see how those with PC FPS experience fair and what sensitivity level you prefer (in the options).
Hate those turns.
EDIT: Oh, and it requires
http://unity3d.com/webplayer/ . Not sure how common it is or if you would have downloaded already if don't play many browser games.