Shop lighting - any recommendations?

Duh, maybe I should answer your question, yes? It's super sturdy and solid even though sitting loose on the floor. I'm going to shim it so it's completely plumb and level and all, then sink in some redheads to secure it.
Yeah, I've seen a couple of local guys just leave them loose on the floor. I guess if you ain't in earthquake territory you got nuthin to worry about. LOL