I did my own version of a mid-engined Porsche a while back, the 3/4 views need a lot of work though.
Industrial Design pictures by kach22i - Photobucket
I'm not sure how they can go more Cab-Forward, people will not stand for less leg room. The only thing I can think of is they make the car wider, and put the occupants closer together so their feet are between the front wheels.