i had the same problem, xps 410 has 1 pci slot and xps 710 is a rip off, build your own - i run 4 monitor setup with: antec 900 case, 6400 cpu, sata hdd, asus p5n-e sli, kingston ddr2 800 mem, 2 leadtek 7900gs pci-e and the sweetest power supply on the plant (HIPER 580 Type R) for a total of 4...