Dimmable compact fluorescents are available, they are usually made with “cold cathode” technology. You can find dimmable bulbs here on Amazon. There’s a 12 pack available here, and a dimmable compact fluorescent spotlight here. 1000 Bulbs also sells a wide range of dimmable compact fluorescent bulbs
Who knew that compact fluorescents came in colored bulbs too? The yellow ones can be used as bug lights. They also come in other colors too. Available from: Save on Lighting ($9-$11)
Three-way compact fluorescents are now available. This bulb offers the warm glow of an incandescent in three different wattages: 11, 22 and 33 watts, comparable to 40, 75 and 115 watt of a standard bulb. Available from: Amazon ($11.90)
A 15W dimmable floodlight compact fluorescent. Works with standard dimmers. Available from: Amazon for about $15.