I believe Signal Herp has a 50% possible het for sale. 9k for him.

http://www.signalherp.com/surplus_gtp.htm

Also this was posted on a forum I like to read. Unfortunately the albino offspring didnt survive. However one would think the normals that did survive may very well be hets.

http://moreliaviridis.yuku.com/topic/18365/Possible-Albinos