Right, I think its time to get rid of my Optiplex GX620 and upgrade. I am not really up with current CPU's/Motherboards/Ram etc so I need someone to lend me their knowledge please 
I already have:
GeForce 7800GT Extreme Edition
Audigy 4 SE
Tagan 480W PSU
Freeview PCI Card
DVD-RW Drive
Now that leaves me with what I need:
CPU (Not fussed on Intel/AMD)
Motherboard (Not fussed, would be nice to have SLI though)
Ram (2Gig needed)
HDD (150GB Raptor if possible!)
Case (I like the Antec P180 in black...)
I think that is everything! I have a max of £650 to spend, do your worst
Cheers,
Craig

I already have:
GeForce 7800GT Extreme Edition
Audigy 4 SE
Tagan 480W PSU
Freeview PCI Card
DVD-RW Drive
Now that leaves me with what I need:
CPU (Not fussed on Intel/AMD)
Motherboard (Not fussed, would be nice to have SLI though)
Ram (2Gig needed)
HDD (150GB Raptor if possible!)
Case (I like the Antec P180 in black...)
I think that is everything! I have a max of £650 to spend, do your worst

Cheers,
Craig