personally, i love the thing. dont own one, but have used it.
excellent value, great performance. the only decent system that alienware offer too.
check out this review: http://au.gear.ign.com/articles/106/1065816p1.html
The M11x met, and in most cases surpassed, our expectations with just about every game we tested. We were most surprised by the M11x's ability to run Mass Effect 2 with every visual effect turned on and resolution set to maximum (1366 x 768). Not only did Mass Effect 2 run at maxed out specs, but it consistently ran above the industry standard of 30 frames-per-second. The average framerate for Mass Effect 2 at max specs on our M11x was around 45 frames-per-second, although at times it reached up to 50 or 60 frames per second.