I got it yesterday, and haven't played too much yet, but it seems pretty fun. The performance is not very good though; I play at 1024x768 with all the details up, and get anywhere from 17-35 fps when I play. Not good for a 2.3 ghz. Perhaps it's my old video card...
2.66 P4 @ 3.0 Ghz / Geforce 6800 GT @ 410/1080/ 768 mb Samsung DDR333 @ 374 mhz / Abit IS7 / XP Pro / NEC 1760NX LCD