Hello guys, i suspect my current PSU is dying out, (it seems to take 5 minutes or so to power up after pressing the button, and i'm getting random 1-2 second freezing during regular use, xp pro). my current one is an antec trupower 430w, i don't think it's powerful enough anymore, my current system contains: Athlon X2 4400+ 1GB DDR400 RAM Geforce 7900GT Digital TV Tuner card 3 hard drives, 1 x IDE 80GB, 2 x 300GB SATA 2 x BenQ dvd burners and usually it will also power up my ipod via USB. i am clueless when it comes to PSUs, so i really need your recommendations. maybe 500 watt is strong enough? energy efficiency and reliablility/long lasting are important, and preferably quiet. my limit is around $75 US, maybe a little more if it's more bang for the buck thanks!