What are some of your favorites?
How about kiamat doomsday font.
Baskerville Italic also has a beautiful ampersand.
Poetica by Robert Slimbach has a beautiful set.
I LOVE the Caslon italic ampersand.
Some more here in earlier threads:
It is usually worth doing a search first when you have a topic this specific as sometimes people won't bother responding to a topic that's already been covered extensively.
Sorry about that - I did go back and read the other threads.
Still looking for something a little more unusual...
Another two to look at.