I have a brand new still in the box Duravit Starck 2 floor mounted toilet that I bought for my Eichler remodel but can't use because I didn't know the supply pipe needed to be moved over an inch before I tiled the wall. It's a very modern design and goes well with an Eichler's clean lines. It's one of the few cool european designs that works with U.S. standards. Most are for 10" rough-ins. This one is 12". The only issue is that as a skirted design, the supply line needs to be at least 6 inches off center. This is easy to do at the beginning of a remodel, not so easy once the walls are tiled.
You can see what it looks like here:
Email me if interested. I'm in Willow Glen in San Jose.