Aerohead, Looks great so far. I keep watching your progress and I know you will let us know your new gains in mileage when you are finished.
orange4boy, This site has pretty good prices for screw on aluminum disks for your Prius. I plan to get some stainless ones for my winter wheels.
Racing Disc Hubcaps (Pop-On). Scion Hubcaps, Vintage, Kustom Wheel Covers