This is the cheapest ive seen on Amazon or any B&M in store to date. These are the slim style daylight 5000K version, dimmable. As always Amazon prices may change in the blink of an eye so if youre going to order, do it NOW.

Philips 452466 65 Watt Equivalent Slim Style BR30 LED Dimmable Daylight Light Bulb
http://www.amazon.com/gp/product/...ge_o00_s00