Ps testers

Anybody use these things?
http://www.newegg.com/app/SearchProductResult.asp?Submit=Go&DEPA=0

That link points to 674 pages of products.

But if you're referring to a plug-in PSU tester, all it will show is whether or not all the voltages aren't completely dead. For example, I once borrowed a CompUSA brand tester, and it said that my PSU was fine even though the +12v rail was way below 11V -- and too low to let the HD (Maxtor?) spin. A much better investment would be a cheap digital multimeter, a paperclip (to turn on the PSU by shorting the green wire on pin 14 to any black wire, such as those at pins 13 and 15), and a few 10-20W resistors to load down the PSU (or just use a mobo and a HD) because these will not only tell you if the PSU is working but also how well it's working, and the meter can be used to test lots of other things. Meters usually cost $10-20, but Harbor Freight sometimes features them for as little as $3.

paperclip + multimeter is a much better tool.

http://www.newegg.com/app/viewProductDesc.asp?description=17-163-011&depa=0

is what you wanted to link to correct?

i agree multimeter is better