Thanks a lot for the replies.
I ended up with a PNV-Verto, GeForce 6200, AGP 8X, 128MB DDR.
I was going to take my time and be a bit more calculating on my selection but the need for instant gratification prevails once again.
I've read that installing nVidia can be a real ***** but I'm sure I'll get through it.
@lilohatea