A Scanner Darkly Trailer Available
Just shortly after the Exclusive trailer caps from ChrisB I found the direct link to the first online trailer from Moviefone. It's not an apple qt version but good enough to give you a certain idea of the movie.
Well in the meantime, Yahoo movies provide better versions of the trailer... here are the direct download links for 3 different sizes:
'A Scanner Darkly' Trailer - Hi-Res'A Scanner Darkly' Trailer - Med-Res'A Scanner Darkly' Trailer - Lo-Res