It really comes down to your wallet and what you call a "laptop". But, CAN a laptop game? HELL YEA!! lol
One of my room mates had one of those. Thing had dual video cards and dual hard disks (one solid state, one HDD) if I am not mistaken. It was pretty beast and played games without breaking a sweat. It was really big though...the damn power brick ALONE was bigger than an actual brick...
My other room mate had one of those. It was actually really nice. Cheaper than the Toshiba (I'm pretty sure the Tosh was about twice as expensive, actually...), smaller than the Tosh, quieter than the Tosh and also played games without a problem what so ever. He was a hard core Team Fortress fanatic and it ran this frantic game with ease.
Then you have this...ugly as sin, HUGE, heavy, expensive...I think it barely even qualifies as a laptop, really. It's more of a desktop you can unplug than a laptop, I think. But...it is amazing. It's a "laptop" with a full on desktop i7 Extreme processor, dual hard drives, 6 gigs of DDR3 and a gig of GPU memory, it pretty much rapes face in the laptop gaming world. I read another review of it where it was compared against other gaming laptops and it crushed them.
It really comes down to how much money you want to spend and how big of a puter you wanna lug around.
Hell...I play WoW on an HP Mini 1020NR!!