Well being a dell ,and being not that old by the sounds of it i would just ask if the had the invoice/spec sheet from dell when they got it ,this would help you more
what i can tell you right now is 3.2 ghz is ok ,this a single cpu . i have 3.0ghz ht cpu
graphic card ,truly i would be looking at right away replacing with a 8 series nivida card anyway
300gig h/d is more than enough room for a good install of X
as deane said another gig of ram ,also you cant really go wrong with a XP installed and a 24 screen
things id do to it
ram /bigger power pack and a pci express 8 series card ..
my system
3.0ghz ht p4
2 gig ram
8600gts
runs X sp2 just fine with payware addons
