I've never gotten into the graphics cards of computer so I have no idea, does anyone know what graphics card I should get so my computer will run the World of Warcraft smoothly? or is it just the proccessor/RAM?

this is my card right now…


Chipset Model: GeForce4 MX
Type: Display
Bus: AGP
VRAM (Total): 64 MB
Vendor: nVIDIA (0x10de)
Device ID: 0x0189
Revision ID: 0x00a3
ROM Revision: 2032.2

and this is my hardware overview…
Hardware Overview:
Machine Name: iMac
Machine Model: PowerMac6,1
CPU Type: PowerPC G4 (3.3)
Number Of CPUs: 1
CPU Speed: 1 GHz
L2 Cache (per CPU): 256 KB
Memory: 768 MB
Bus Speed: 133 MHz
Boot ROM Version: 4.5.9f1