Great Reflection
Mirror's Edge is trial and error at times but when you get it right, in my opinion, you DO feel a sense of accomplishment.
I love the sensation of running at full speed away from enemy bullets (be it human or from the many helicopters that sprout up) hearing them zip past my ear or watching bullet holes appear just in front of Faith. Nailing a difficult jump or wall-jump is really satisfying.
I could easily see myself playing this game over and over trying to find the best line to run and the fastest way to get from A to B.
One thing Gamespot did get right was the sense of design, which is impeccable. I'm especially in love with the music. If you're fan of ambient or downtempo tracks this'll be right up your alley.
Overall, I think Mirror's Edge (I would write ME but it just doesn't look right) is a breath of fresh air but also an homage to the best of platform and FPS games. If nothing else you can at least hone your FPS skills with Mirror's Edge.