Sounds like you are pretty far along, so this may be too late to be any help, but I just finished wiring my 30x72x12 shop a month ago. Two things worked out really well for me. First, my main area lighting consists of 18 common brood lamps hanging by their cords from furring strips screwed perpendicularly to the joists. They are powered by a single line of outlets mounted at the same height running down the center of the building. Those brood lamps were under $8 each, and the concept is working out great.
I got some 170w equivalent cfl bulbs off amazon for them which has turned out to be quite adequate.
The other cool thing is that I mounted Leviton occupancy sensor switches to power my 2 ceiling light circuits. I do not use them to turn the lights on, I optioned them as "vacancy sensors" to turn the lights OFF if they detect no motion for 30 minutes, and they work great. No more sitting bolt upright in bed wondering if I left the shop lights on.
Here's a pic from just after the concrete went down.
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