well I have heard good things about the jbj but i have an aquapod that i have been happy with. If i had to do this all over again i would decide what type of fish corals etc.. i wanted then look at each type of tank and decide what modifications people have made to support those animals you want to keep. For example i have modded the back chambers of my aquapod for a fuge, modded the hood to keep temp down, and upgraded the pump for starters. So my advice is to pick the one that requires the least ammount of modification for what you want to do. Still gonna require some reaserch on your part but i hope that helps.