Personally I like the looks of polymer guns. I think there's a certain beauty in something so purpose driven.
However, since most polymer guns are recent designs, and most recent designs focus on function over form, you're not likely to get quite the same level of aesthetics. But I don't think it has to do with materials so much as design.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. ~B. Franklin