Sumo1, welcome to the forum!! Glad you've had success with your SWCG, IMO they are the way to go. However, I'm not too knowledgeable on the commercial applications, but someone here has vast experience with comercial pool care - it's Pooldoc (Ben), the guy who provided us with this site. I would ask him the question (please realize that he's probably very(!) busy right now - but this is a project for next spring).
What I would do is let this ? stay with the forum til ~ January and cull the responses, then send Ben a pm with the link to get his opinion of what's been said.
Again, welcome to the forum, it's the best place to get the info you need to care for any size pool!! - Waste.