We're in the process of doing the light bulb switch too. I'm not crazy about the spiral looking ones and tend to go for the CFLs that look like regular bulbs since most of my lights aren't fully enclosed.
Something little that I do is when I'm boiling water for things like pasta, corn on the cob, etc. I use the lid to help keep the heat in when bringing the water to a boil then putting it back on when I add the food. Once the water is boiling, I can turn the heat down really low (mine still boils at the lowest setting) using less energy. I get rid of the hot water asap in the summer to get rid of the heat. Sometimes, we plug the sink in the winter and drain the water into the sink to retain the heat.