Yeah I like the way you start this thread.
"my new project is gonna be an ordinary 600 Gallon glass tank..."
Dude, that's like saying it gonna be yo everyday common ,nothing out of the usual goldfishtank of 600 Gallons!
But I like.
I Can imagine your first plan would involve flooding most of your home!!
Personaly I'd say RTC for sure.
But i,ve seen ,em in Zoo's and I decided that it gonna be too big, even in a 600Gl!
Those guys grow BIGBIGBIG!!