Help! about upgrading my HP PC!

I want to upgrade my PC! what would you recomend?

I want to add a rocking graphics card!

          I want a ether a ATI Radeon 1950 or a Geforce 7800 or 7900 I dont want a 8000!

           what PSU should I get! advice me on cooling! I want my video card to run well in my computer 

AMD X2 4200+ 2.2GHZ

1024 MB Ram DDR

ATI Xpress 200 mother board

ATI xpress 200 Graphices chip(based on ATI Radeon x300)

250 GB HDD

300W PSU

that is what I have 

this card is a wet dream...CYSYKO

thats the best bang for buck card at the min

runs fear like a dream...i would know...i have one...

[QUOTE="CYSYKO"]this card is a wet dream...druglord6

thats the best bang for buck card at the min

runs fear like a dream...i would know...i have one...

its amazing! lol. on a serious note, to upgrade your video card your gonna need either a AGP slot, a PCI slot, or a PCI express slot. i'd reccomend a PCI express slot but the other two will do...

this card is a wet dream...CYSYKO

[QUOTE="CYSYKO"]this card is a wet dream...havokmaster

who needs 8800 ultra when you have that lol 

a 7600GS/GT 8600GT will work on a 300w no higher I say! LouieV13