That's a desktop replacement where it's best place is on a desk.

As to ibuy, the web search speaks for itself. Compared to Dell, I know where I buy my laptops.

Now is this for gaming? If so, you have read the following.

"Our tests demonstrate fairly little difference between a $225 LGA 1155 Core i5-2500K and a $1000 LGA 2011 Core i7-3960X, even when three-way graphics card configurations are involved. It turns out that memory bandwidth and PCIe throughput don't hold back the performance of existing Sandy Bridge-based machines. ",3106-4.html

So you're going for games so you maximized the GPU and picked a nice enough CPU?