The people have spoken:  Cycling shoes are either too dorky, ugly, or just plain impossible to wear anywhere but on the bike.  Hopefully more products like these Rondel sneakers will come along. 
 
Rondel-sneaker-main
DETAIL-SHOE-cleat
spd-sneaker-3
 
http://www.missionworkshop.com/rondel_spd_sneaker.php