Lost my mind....or, here we go again!

[Aquattro]

I'm just reading the link to Beananimal system, not sure how that works yet. For that matter, I don't know how Herbies work either, I've always used stockman style, but they do give off some noise.
I was going to drill the bottom, but coast to coast does sound appealing, although that pushes me out from the wall, which I was trying to avoid.

Thoughts on internal vs external plumbing??