>  True, but not for the example given.  If the file was an Acrobat
>construct to begin, then I'd immediately agree that is the superior
>representation and *always* prints perfectly.  I just can't quite
>believe that a bitmap import will be compressed significantly better by
>the Acrobat format than the .GIF format.  
If you print what is basically vector information (i.e line drawings
etc.) to a PDF printer driver, it appears to be retained as vector
data and not turned into a bitmap, and so is resolution-independent
and compact.