I ordered some 2" wide by 1" tall 1/8" thick aluminum U-channel from allmetalsinc.com. It was pretty reasonable and right in stock, cut to length and shipped fairly quickly. It's real nice stuff. I just got the frame assembled for my build and I'll be trying to figure out some wiring this weekend if...

Damn, bro. Nice setup and cool video skills. Doing it right!

I've seen 3500k all the way through work very well in a bunch of different grows. That's what I'll be starting with when I get my strip build together.