Newegg.com - Computer Hardware,Video Cards & Video Devices,Desktop Graphics / Video Cards,PCI those all fit your requirement.
There are lots out there but 9/10 times it's going to be cheaper (and give more performance!!!) to buy a new mother board with a pci-e card I speak from my own experiences!
Can someone link me the most expensive gaming computer ever? Edit: Holyfuckingshit I want this one.. http://www.newegg.com/Product/Product.aspx?Item=N82E16883227246
lol kit out a "alienware" to the max. i just customized one and it came out to $12k with a 27" monitor.
I7's are a rip off go amd cause intel is just complete shit... the i7 is like 0.05ms faster than the amd 9550 BE and it cost 6 times the price :/ if you want a good pc go to www.pcspecialist.co.uk and pick an amd 6 core!
Intel i7-970 ?600 AMD Phenom II X6 3.2 GHz ?158 notice the difference both the best you can get for either company there is a sifference that no human can notice since its such a small difference under half a second in speed
If you need a pci graphics card you need a new computer you will spend 50- 75 on a card when you can get a new computer for 100 bucks of craigslist that will run better with on board graphics the i buy power computer you linked sucks compared to what you can build with that money icore 7 blow balls amd all the way AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz 6 x 512KB L2 Cache 6MB L3 Cache Socket AM3 125W Six-Core Desktop Processor HDT90ZFBGRBOX $229.00 Intel Core i7-980X Extreme Edition Gulftown 3.33GHz 6 x 256KB L2 Cache 12MB L3 Cache LGA 1366 130W Six-Core Desktop Processor BX80613I7980X Now: $999.99 this made me lawl^ you can OC that amd to 4.3 if you wanted tooo and its over $600 cheaper