^^^^ If he is indeed the person in question, then that's a great card....much better than a Radeon 5450. However, power supply needs to be replaced in that Asus system. How much are you willing to spend for a new PSU?
Seasonic, Silverstone, XFX, and Corsair have excellent units for the most part. Several of XFX and Corsair PSUs are actually made by Seasonic.
Antec has cheaper (but still reliable) units as well....few of which made by Seasonic too