Ok I sold my 180 Gallon am officially in the "Design" phase for my next display tank. I have decided to get a custom glass tank with 3 sides Starfire glass. I want a footprint of 48"L X 24"T x 30"W with a dual internal overflow system. I like the idea of a external, but am worried about longterm leaking issues etc. I am planning on keeping this tank longterm. So that being said I need to think of all the places I might like to put it. I like the clean look of single overflow, but many have stated that dual is the way to go with a tank this size. They could however both be located on the same side of the tank behind the same overflow cover? For now it will be placed up against the wall, but in the future I would like the option of using the tank as a room divider. I know that sounds crazy. But is there a overflow config that would not look as bad on a tank that could be used both up against a wall and also a room divider tank? I'll start posing drawing tonight, I'd like to get tank builder started next week. It takes a month for them to build it and ship it over.