I have a chance to get a 75 gallon all glass tank that has been set up for 8 months. it has an overflow a mag 9 power drive a sump 440watts vho lighting with hood sump and stand also has a wavemaker with 3 maxijet 600 powerheads and a live sand bed. He is selling it for 700 I have considered doing a 55 gallon with no overflow no stand and I would have to buy the wavemaker. Which would you do?