The Dell XPS is superior when it comes to laptop gaming. I own a Dell Inspiron XPS Gen 2 and it runs all my games without any problems. You probably won't pick it up for $1200 but it is the only way to go in my opinion. The Acer Ferrari is also a good lappy, but it has a smaller screen, and it gets hot as fire. I had the Acer first and sold it to purchase the XPS Gen2. The new line of XPS is out....check'em out @ www.dell.com
Anyone who can deal with Alienware's "PHASE" crap has a lot more patience than I do. I would go to www.pctorque.com and configure what you want. As far as the Dell goes, too much "bloatware" for my liking and the XPS will never beat out a Sager 9750.