Here is a Cadet Compact...el toilet, fits in same space as a round bowl: http://www.americanstandard-us.com/t...let-with-seat/
28-1/2" from wall.
Here is a Cadet 3 Round front right height http://www.americanstandard-us.com/t...-front-toilet/
28-1/4" from wall.
The bidet seats are "gimmicky" in my opinion, but the folks that have them seem to love it. I have not heard from anyone how reliable they are long term. Check with the American Biffy Company for options. http://www.biffy.com/