I don't think you'll see too may tanks four feet front to back. I'd need a snorkel to work in there, lol!
Excellent idea with the steel I-beams!
It's hard to tell from the picture, but is there room between the tank and the window behind it? I guess what I'm leading up to is the question of how you plan to get past the middle of the tank if there's no access from the back? Fwiw, I think you'd appreciate that gorgeous tank even more if it had a 360 view.
"Why can't my wife see all of this stuff as an investment?"
What kind of fish are you planning? I see a tank like this and can't help but think "Discus".
Are you planning for ultra high tech? Or are you going to go with a slower growing easier maintenance aquascape?
Wow I am guessing you had to build your house around that monster lol. I don't think the window will be that big of a problem as long as the tank isn't getting direct sunlight. I have had several aquariums in front of windows with out any issues. If it does get direct sunlight then I would think putting a background in the aquarium would fix the issue for the most part. One question though, is there some type of pad between the aquarium and the plywood? I can't tell in the pics.