A. Its sold out because I bought it.
B. Its higher wattage because I`m upgrading down the road.
C. Nothing wrong with refurb :P
D. I like smaller thread because I get questions faster.
for a 600 watt PSU with only on 6 pin and one 6+2 PCI power connections, you might as well went with a 500 watt PSU because your upgrade options aren't any better.
a XFX 550W PRO550W Core Edition
would have been cheaper, more reliable, 80 bronze efficiency and handled anything the OCZ would have, if not more.