Ok they are rubbish - the light is awful, but soon they are going to be the ONLY game in town... ENERGY SAVING LAMPS.
Love em or hate em, you wont do better than less than 10p each !!!!
Buy 10, and they cost 98p for all ten !!!!!!
8W, 11W, 14W available... all are "BC" or bayonet cap, ie standard(ish!) push and twist fitting.