In the mean time, do lots of reading. Since you keep fish you already have a handle on some of it but the Basic Info and Useful Info sections of the forum are a pretty good read to do completely.
Then pick a few big long member system threads to read completely which should give you an opportunity to see some mistakes and perhaps avoid them for yourself.
Beware small tubing as clogging is common though I'm sure you have dealt with that before. With your tower there, it looks well situated to cause wet floor if there are any clogs though.
Welcome, there is no escape now
p.s. as you figure out what you think you might try, let us know as we might be able to point you to member system threads that might be similar and show the pros/cons of such a system and what challenges need to be overcome in whatever type system you might choose.