OK my system is mediocre so dont critisize me
Phenom 9750X4 2.4 ghZ
2GB RAM Crucial
WD BLue 500Gb HDD
9600GSO vid card..
We're not going to criticize your system, but it is helpful to know the specs for making a psu reccomendation, along with your locale.
If you can't swing the Corsair 430 or Antec 500 that have already been reccomended, the Xigmatek 400 ( also at Newegg ) fits your $50 budget.