Today only. Newegg has the OCZ ZT Series 550W Fully-Modular 80PLUS Bronze High Performance Power Supply (OCZ-ZT550W) for $70 - $20 rebate
[Exp 3/31] = $50
with free shipping. $15 Newegg Gift Card included with purchase. Features a single +12V rail and is compatible with Intel Sandy Bridge Core i3 i5 i7 and AMD Phenom CPUs.