From Dealnews -
New: Corsair CX430 V2 430W ATX Power Supply for $18 after rebate + free shipping
Today only, newegg offers the Corsair CX430 V2 430-watt ATX Power Supply for $18.24 via the directions below. With free shipping, that's tied with our September mention and the lowest total price we could find now by $7. Features include a 120mm fan, one PCI-Express connector, four Serial ATA connectors, three 4-pin Molex connectors, and more. To get this deal:
Add the Corsair CX430 V2 430-watt ATX Power Supply to your cart for $44.99
apply coupon code "SVCORSAIR11" to cut it to $38.24
redeem this $20 mail-in rebate for a final price of $18.24
