The biggest problem with CFLs is that they can't be dimmed, and the 2 "dimmable" CFLs I bought were horrible (only went down to about 60% brightness before turning off altogether, and they only came in cold white).
At the moment I'm using OSRAM halogens on the lights with dimmers, as they use 25% less power than normal bulbs. The ~15lm/W for halogens really makes me want LEDs, but there aren't any LEDs that are bright enough to replace a 60-100W bulb at a reasonable price.
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