What is everyone using for lighting in your shop, and are they working for you? I am building a 40-60 post frame with 14' side walls, and can't seem to decide what type of lighting to put up. Around here there are quite a bit of 400 watt Metal Halide shop lights for sale, although I have a chance to get quite a few fluorescent lights for cheap/free. By your experience would fluorescent lights do any good for a shop with 14 walls, and if so how many square feet can they cover (assuming more for the area where we work on equipment.) On the other hand would a few halide bulbs do a better job, especially since they are only 30 bucks a light? Possibly a mixture of both so I don't have to worry about letting the halide bulbs warm up and can have instant lighting by the fluorescents? Let me know your experiences and your recommendations.