Has anyone ever heard or used this type of bulb for their car? I had them on my car ebfore and i loved them, a nice bright white bulb with a slight tint of blue but nothng noticeable, i didnt know the name untill i found them again, they go for around 20 bucks a peice, good buy i think they compare to the sylvania silverstars, anyone use em? i think they used to go on the old audi's.