Kraken Editions, the original owner went bust, from what I can remember the production cost of each pack was insanely high. The packaging etc while very nice was frankly over the top.
The figures etc were then bought by Studio 38 who released a few more things for it. Studio 38 is still going however the Alkemy stuff has vanished from their ranges completely. I had a look around recently and no one seems to know why, they also never replied to my email asking about it.
Miniature Market is the best place to get things, Ludiks Bizarre also has quite a bit (although their shipping makes me cringe). It's a case of finding what you're after I'm afraid.