There have been reports that BAT premiums are sometimes warped out of the box and that BAT will not stand behind them. They do warn you that nothing they sell has a warranty though.
Drilled rotors for street use are really just for looks. They don't really do anything for the stopping ability. They also crack around the holes so they will fail sooner than non drilled rotors. If you really feel that you want drilled rotors, you may want to consider have them cyrogenically tempered by someone like
www.frozenrotors.com You may also want to have them cad plated to cut down on rust.
