I think I finally ran out of open wall space, so until I get around to the fishroom, or the circular tank in the middle of the living room, there's not too many options.
there is, however... *counts on fingers*, 420 gallons of fishtanks in use around the house... 11 tanks in total.
seems a little obsessive, but I don't think it's a lot. until it comes to doing water changes on that many tanks.
and I won't mention how many tanks are around the garage and basement, empty.
If only I could be happy with a community tank on it's own, It would be so much less work.