Yay! It's now available online https://store.airstream.com/product_...roducts_id=805
Which I assume means that every dealer (inland andy, Andrew T, etc) can get this for you too! With two toddlers, this might go on my winter project list along with a gray tank addition. PS, arktos, we're going to hold you to it for a project recap and pictures.
I think it would work well to mount under the sink (curbside on mine) so that it can be near the door, but still accessable when the door is open. Plus plumbing is right there to get hot and cold water.