Ok, so here's some more specs for question #1: I would be replacing the 9 bulbs (all 5000k/1600Lumens - that's 14,400 Lumens) with:
1 85w 2700k 5,800 Lumens
4 18w 2700k 1,250 Lumens each (5,000 total)
6 13w 2700k 800 Lumens each (4,800 total)
From all I have read it would appear that...