Now available at Edible Landscaping. I've had a hard time getting this one, some posters say its very good
You can ask Cliff England to graft you one.
Here is a link that might be useful: Kaki at England Orchard
Yes, I have one on order from Cliff & will get it later this year. But i hate to wait. Heck, at my age, I don't even like buying green bananas.