WARNING! DANGER, WILL ROBINSON! DANGER!
Buffing metalizers shine like the sun after buffing, but If you plan to mask and paint anything over the buffing metalizers, be advised that your masking tape won't stick! And you will not get good adhesion of any subsequent design or color you spray over the metalizer finish, as well. I learned all this the hard way. On the other hand, you can get near equal results with plain ol' silver (like Testors Metallic Silver). Spray it on, wait a day, then with a soft cotton cloth, gently rub out the finish, turning the cloth often, as the silver will build up on the cloth. You'll see your plain silver transform to what looks like industrial aluminum paneling. When masking and painting subsequent colors over the silver, your tape WILL stick, but use the lowest-tack tape you can get away with, as most tapes will leave a "mottled" appearance on the silver upon removal. This can largely (tho not perfectly) be alleviated, however, by re-buffing the affected areas. Hope that helps!