+1 on Kenny. I ordered the hardware from Binghams, which was good (hose w/plugs, locking kit, thermostat). I have since ordered all my glass from Kenny, who is great. Fast, Cheap, and most importantly, always willing to answer questions. I can't stress how much I appreciate that.
The bingham video is OK, but a little dated. Don't stress too much about the oven. It's just a box with light bulbs. The form, however is very important, especially making sure that it is square and smooth.
I am primarily a wood worker, and have the tools to grind/thickness my own lams from my own wood stash. There is definitely a learning curve, but I like that sort of thing.
Good Luck!
-Chris