crossdrilled rotors

has anyony had or is still using the black rotors? ddoes the black ware away after some time? i saw these and i thought they would look great. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7922525261&category=33564

The zinc coating will immediately wear away where the pads contact the rotor. It will remain in decent condition on the rest of the rotor and prevent rust. This is a Baer "zinc-washed" rotor, after about 5 years of low mileage use:

http://cjcfo.fbody.com/members/injuneerzz@aol.com/PhotosE/DCP03113b.jpg