hi...my specs are core 2 duo e6400 @ 2.13ghz, motherboard asus p5dl2, 2gb ram, 320gb hard disk, 8800gts 320mb,1 dvd RW. At the moment i have a 400W power supply with a cheap brand and i think i need a better one, can someone recommend me a decent power supply for no more than 100 usd? thanx