Hows this for temporary cheap lighting for a FOWLR?

[rossb]

True Samw but consider the first point (lumens per watt). One could pick up a 125 compact fluorescent which provides just about as many lumens at 1/4 the operational costs and much less heat. They are about a buck a watt to buy and have a similiar life to halogen. Even better are some of the now cheap 34 watt CF's.

One of the big disadvantages of a halogen bulb is heat...

and when "hobbie creep" happens and you go for a FOWLR plus 1 coral...