I bought up as much as I could get my hands on several months ago. This place might have some left but I think they are small sizes.
http://www.transdesign.com/. If I were you I would try the Golden fluid acrylic's. The interference colors look to be the stuff you want. They aren't cheap but they make some really nice stuff.
http://www.misterart.com/store/view/...d-Acrylics.htm You can buy some in Avon at the Art Experience store. I was there last weekend and they have plenty. Good luck. Paul