Hey Jonathon,
Have you contacted Connie Dorval from Arboreal Exotics? I know she's a breeder in Canada and she definately does both Nosy's and Ambanjas. As far as anything else I'm not sure. One of my Nosy's is from her. I was very pleased with her service, and I've never had any health issues with that animal. I'd highly recommend her.
As far as my favorite....hmm. It is pretty tough. I think my favorite specific chameleon is Jokton. I've seen a couple top notch Sambava's in my day, but this guy just makes me shiver every time I look at him. His colors are even neon at rest. But then again, I'm probably just hugely biased because he's mine.
As far as favorite locale goes, its between Nosy Mitsio and Ambilobe. The mitsio's greens are always out of this world, but once you see one go solid fluorescent yellow with those bright red eyes and lips you'll never forget it. They're truly amazing. And Ambilobes are so great because they come in all kinds of great colors. You even have different morphs within the locale. Basically whatever your favorite color is, you can pretty much get an ambilobe that matches your preference. And besides, from a breeders standpoint, nobody wants any other kind of panther out there like they want ambilobes. As far as selling them, they pretty much fly out once they're ready. Thats the sadest part, because you have to watch all your little guys go to new homes after you've poured your heart and soul into them.
Anyway, there is my opinion....
Just my 2 cents!
Ambilobe 
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