I would recommend a 19in. flat crt monitor, with a refresh rate that can go to 85hz or more and a resolution of 1600x1200. I have the NEC fe991sb-bk. very good gaming montitor, been very happy with it. Good colors, clear picture.
antec 350w psu
xp 2000
asus a7n8x deluxe
512mb pc2100
ati radeon 9500 pro
wd 80gb caviar special edition
16x dvd
creative megaworks 550
nec fe991sb-bk