Thanks for the help everyone! I did end up contacting Antec about the PSU and RMA'd it. They were nice enough to replace it with the better Neo unit as well. The only problem was it took a while. They respond to emails at the end of the day so even a quick exchange can take a few days...
Relevant system specs - AMD Opteron 165 CPU, DFI mobo, 2 gb G.Skill RAM, Antec modular psu
As the title says, after using my custom built machine for 3 years it suddenly won't boot. I push the power button and nothing happens, no beeps or fans spinning, nothing. I've searched around and...