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Cliff, for a couple hundred bucks more per seat you should go in-wall. Get yourself a Geberit tankless system, they have ones that mount in either 2x4 or 2x6 stud walls, and a Duravit bowl like the Starck 3. This saves about a foot of room in the bathroom and looks cool besides.

The cantilevered bowl can support 880 pounds. You can even get the bidet lid although it's pricey, like $1500.

You would need to run new plumbing off the soil stack as there's no longer a hole in the floor or a wax seal. Not a huge deal if you are remodeling.

Definitely check it out and I'll think you'll find that the price differential is not that much.