To be honest I am surprised that it isnt possible to get a low profile card that would work in the Dell and play WoW at 1920x1200 at high settings when the damn Nvidia 9400M shared memory in my MacBook can do it at 1920x1200 and manage to get 15-20FPS. I guess Nvidia has come a long way with integrated graphics.
I used to have a gaming rig with a 8800GT and played WoW with high settings at 1680x1050 and never had any lagging or slow down issues, so I don't know why you do enaberif.
So if I do get a new machine how does the Dell Studio XPS sound with an ATI 4850 card?
Dell Dell Studio XPS Desktop