I've always been an nvidia guy but I am building a new boxing pc this week in prep for MoP and this one will include my first ATI card in about 6 years so I will let you know how it works out in a couple days, here is my parts list:

Gigabyte AMD Radeon HD 7950 3GB GDDR5 DVI-I/HDMI/2x Mini-Displayport PCI-Express Graphic Card GV-R795WF3-3GD


Intel Core i7-3770K Ivy Bridge 3.5GHz
ASRock Z77 Pro4 LGA 1155 Intel Z77
G.SKILL Ripjaws X Series 32GB (4 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600
2 x Crucial 256 GB m4 2.5-Inch Solid State Drive SATA 6Gb/s CT256M4SSD2