Yeh im on an XPS Gen 2 now, gaming wise its fine but i completely regret getting a laptop, so im selling it for an SFF.
Don't get me wrong, its good and everything but always messes stuff up, random error messages, general crap.
Also, after gaming the other night on WOW the right hand side of the laptop was actually burning to touch i held my hand on it for about 10 secs and it was still painful about 2 hours later (advise: don't try this).
GPU gets VERY VERY hot and so does the RAM, CPU. Probably be better off using it as a cooker than a gaming machine!
Thats just my opinion!