MistahBungle
100+ Head-Fier
Unfortunately they only seen to have the standard e122
Then you're SOOL with regard to getting one locally (unless you get one 2nd hand from here/little e big B/etc). Try the other distributors in other parts of the world on that page; I know for a fact Noisy Motel here in Australia still have a few, but they may not be able to ship to the UK due to distribution agreement with Fiio, and if they can, you're going to be paying a bit in shipping.