Eric, I will be running two skimmers in this tank, I am trying to run this tank with most of my equipment from the 210, yes this include the 72" Maristar, I know what you are thinking, the tank is 96", true, but, It was ran before with three MH and I think that with a little twitching it should work just fine.
As far as the reactors are concern, I will be running the same Deltec Reactor and possibly changing the my current PM Kalk reactor for a Deltec, I am actually watching one on eBay now.
I will be modifying the sump to make it a refugium/frag area, Manny "thesaent" gave me some awesome ideas.