APH Networks checked out the SilverStone SFX SX500-G 500W Power Supply
A quote from the article:
The SilverStone SFX SX500-G 500W is another well-designed and well-built power supply unit from the company. The internal design is appropriate for a smaller SFX unit, and all the components are of good quality.SilverStone SFX SX500-G 500W Power Supply Review @ APH Networks