I saw the variations, but did not think that they would still be aerodynamic, although this seemed interesting:
http://www.mooneyesusa.com/MOON-Disc-Dzus-p/md11-dz.htm
These are $38 for 15" rims:
http://www.mooneyesusa.com/MOON-Disc...-p/md11-sc.htm
and these are for 15" discs specifically for Prii, although I do not have any idea what is special about them. However, they do not have screw holes, they come with double-sided tape!
http://www.mooneyesusa.com/Prius-MOO...p/md115pr2.htm