http://www.bluestemstrings.com/pageLap.html
Lots of useful info about design, construction, tunings, etc.
More useful info about history, design, tunings, amps, recommended listening, etc.
Discussion of everything to do with lap and pedal steels.
http://www.georgeboards.com/index.html
Makers of high quality lap steels, accessories, parts and dvd’s.
http://www.lollarguitars.com/
Makers of high quality lap steel (and other guitar) pickups
Some Awesome Players
http://www.campbellbrothers.com/
http://www.cindycashdollar.com/