just a note to members:  Ocean State Job Lot is selling 4-foot, twin bulb shop lights for $14.95.  They are incredibly bright.  The bulbs are non-replaceable, but have a very long estimated life (50,000 hours i think).  The units come with hooks and chains for mounting to a ceiling, and have a standard 110V plug on a ~6-foot cord.  Four of them can also be daisy chained.  I bought and hung three, then went back the next day to buy another one.  Always nice to have good light in the woodworking shop.