I only have a NVIDIA GEFORCE 8800 GTS but when I finish getting the rest of the parts for my newest computer I will be getting a newer card
but it plays COD4 and any other games/videos/ect great with no problems...
My current system has:
* Intel Core 2 Duo E6400 CPU 2.13 GHz
* Intel Desktop Board DP965LT
* Aspire Dicovery Mid-Tower
* 500 Watt
* 2048MB PC3200 DDR / PC4200 DDR2
* 300GB SATA-II 3.0Gb/s 8M Cache 7200RPM
* Sony 16X DVD+R/+RW CD-R/RW Dual Layer
* 1.44 Floppy Drive
* 56K Internal V.92 Data/Fax Modem
* Creative Sound Blaster X-FI Platinum 24-Bit
* Stereo Speaker 5.1 with Subwoofer
* NVIDIA GeForce 7950GX2 1GB 16X PCI-E (upgraded to 8800 GTS) But I so love my 7950
* Logitech Elite Internet Keyboard and Mouse
* Windows XP Home Edition
* Microsoft Office 2003 Pro (upgraded to 2007 pro)
* 802.11 B/G Wireless PCI
* 7-in-1 Memory Card Reader
* 19” Viewsonic VA930M LCD Display