also, it is a butcher block. if you want to get long life from it, i recommend either clear coating it (meh) or tung oil and sealing it with wax.
When I first got it, dropped a little coffee and it soaked right in. Then I read online about how to protect it. Bought the tung oil online and...
I am super OCD took me forever to find the right one. Make sure you get the long one if you have a big workstation. The shorter one is usually deeper. Mine is 97"x25"
http://www.ikea.com/us/en/catalog/products/90057855/
The gfx cards are 465gtx's if I remember correctly. The desk is an Ikea butcher block.
I really love the setup. Very powerful yet clean. Allows me to get work done but keep an organized space. The extra room on the desk is great if you want to use a laptop or something also.