please recommend a psu, brand, wattage, etc.
mobo = asus p5ql pro
cpu = intel core 2 duo 3.16ghz
memory = kingston 4gb (2 sticks)
video = evga 9500gt, pci-e 16 2.0, 512mb
hdd = seagate 320gb, 7200rpm, sata
dvd = samsung 22x, sata
tower = silverstone kl02bw, 2x120mm