No, the CX 430 won't be enough for the GTX 660. Here's one that I recommend you :
PCPartPicker part list:
http://pcpartpicker.com/p/1hzT
Power Supply: Rosewill Hive 650W 80+ Bronze Certified Semi-Modular ATX Power Supply ($49.99 @ Newegg)
Total: $49.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-12 02:04 EST-0500)