2.4 gig P4, 150watt PSU.. not worth spending any money on that. Put the money towards a new PC or at least a used faster system with a PCIe slot. You can get complete systems with decent video cards for $200 in the US on craigslist.
It was the ans I was expecting. I've been searching for poss solutions to this poor workhorse but the nag can go no further, is as far as I got. Talking my son into it was a diff story. As most "boys" do, he was skeptical that my machine had reached it's end of utility but at least now I have another "boy" saying same ... *sigh* .. males & their moms .. I swear.