Jess, it is really hard to get ones as nice as those, the best ones are retained in china and japan.

but there is hope. we have a new importer in the UK who seems to have sourced some higher quality fancy goldfish: http://www.aquarist-classifieds.co.u...il99_91215.php

I am getting some calico ranchu from him soon.

Here is his list as of today:
Red & White Fantail
Red Cap White Goldfish
Black Butterfly Goldfish
Ranchu Red & White
Ranchu Red
Ranchu Black
Ranchu Calico
Oranda Red & White
Oranda Red Cap
Oranda Tri-Colour
Ryukin Red
Ryukin Red & White
Crown Pearl Scale
Pearl Scale Goldfish
Bubble eyes Red & White
Telescopic Eyes Asst
B Grade Koi
Wakin Rocket