I always appreciated Microsoft products quality, my Xbox360 worked pretty well for 5 years, despite the red leds of death fame, and it continues to do its work. This is the reason why I bought its "brick" PSU at a a fleas market, for about 12$. I decided to build from it a 12V power supply unit for my laboratory.
I've to thank some instructables members (dog digger
) for the help their ibles gave me to understand the connections.
Please if you're not familiar with electronics, inform about danger of electricity on some trustworthy sources (a simple but comprehensive one could be www.dummies.com