dual xeon 3 ghz
2 gb ram (rambus)
geforce fx 5900 XT
36 gb raptor hdd (sata, 10.000upm)
gentoo linux with 2.6.6 kernel

i have got a 20,1" LG TFT with 1600x1200 px

Works perfecty for me until i render something..
Even on my system this can take a huge amount of time..