Very neat!
Ooh, trying to breed it is a cool idea... I bet you could get a lot of cash for three-feeler angelfish.
It does look a little odd around the head area, but I don't see anything that looks like any sort of a problem for the fish. Have you ever seen him use the feelers? I like watching my gourami feeler his way around things, and I'm just wondering if all three of those would work for that.
I don't really know if angels use their feeler-fins for anything, actually.