HA! Norby, you are not the only one out there with these concerns. My wife said that the old Galaxy super duper blah blah thetfold had to go. I measured, and found the Bravura (who NAMES these things!) had a longer, higher seat. Do a toilet search, and there are china and other bowls with, ah, larger accomodations.
Happy sitting.
Marc
PS, the "dumping air" thread comes to mind as well!
ARRGGH sorry, I couldn't resist!