If you've got 1gb+ memory, you're okay. It's a GUI which is easily turned on/off, as you will.
I'm running a RAID 0+1 DISPLAY, with 4 250gb Sata HDs, and 3gb memory, so I have no problems, whatsoever. It's fun to skin the OS with all kinds of new goodies.
Now he's talking about Fidel Castro, Jerry Brown and their education in Jesuit schools.