I just picked up a 2-pack of 60W equivalent LED lightbulbs for $2.99. (Specifically this brand:
https://www.greenliteusa.com/ )
I'm planning to try them out and if I like them, buy a pile of them for our house we're building.
PSE (Western Washington power company) provides a list of all the places you can buy them with their rebate:
http://pse.com/savingsandenergycente...cipantList.pdf