I don't see this as a wish, but personally I usually prefer Preview but sometimes I find it incredible slow because I think of it's smoothing techniques (anti-aliasing I guess). So for a complex vector file, panning/zooming is far too slow (and unworkable). Whilst Acrobat doesn't smooth vectors as nicely, it is noticeable faster as a result.
So I mostly use Preview, but it's nice to have Acrobat there as a backup.
James Badcock
Graphisoft Senior Product Manager