I haven't played it, but most of the comments I've read eleswhere has said it's just OK and not really a must buy. Awhile ago it was on sale for 50% off, and a lot of comments at cheapassgamer said it wasn't that great a deal even at that price..
anyways, I'm gonna throw in a vote for Shatter.

Yeah, I know you can make american accounts, I did that once to just see how screwed we are on the video marketplace, its lots...