mirror cover

Hi all, Its my first post so excuse me as i don't really know what im doing yet! Ive just got my T5 sport-line in black and was after some brushed aluminium or stainless mirror covers, Ive seen the chrome ones but fancied something more along the lines of Audi RS4 style! Any suggestions of...

I'm after the cover for a driver side mirror for my 1998 T4 Multivan. I have the electrics and mirror intact, so just the mirror casing is required.