Nice set ups man. If you add a small fan inside of the enclosures to get some air circulating then it will keep the glass clear without affecting the humidity. I use old computer fans for my viv's.
Thanks, I'm aware, but haven't seriously considered doing it... with the amount of ventilation I have, the glass is usually clear anyways, except when I've either misted recently or the MistKing has misted recently for me

I may get around to it, but as a broke college student with no electronics or soldering experience/equipment, it probably won't be soon.
You should try more endangered species like Atelopus. They are in deseperade need of breeding success in captivity.
Unfortunately, most of the really critically endangered Atelopus species/morphs are unavailable in the hobby (i.e. A. zeteki).. I do know quite a few people working successfully with A. spumarius as they were recently imported.
I am currently trying to get ahold of some Mantella aurantiaca, which are critically endangered as well, but other than that I'm pretty pressed for space as is and don't plan to set up a third rack.... my addiction only goes so far
Another thing to consider is that only species are listed in IUCN, not specific morphs... so even though a species is listed as Least Concern, a certain colormorph of the species can be critically endangered. For example, R. lamasi is listed as Least Concern, but "standard/highland" lamasi are VERY critically endangered in the wild. This makes it way harder for us hobbyists to figure out how rare each morph we keep actually is. A bunch of species (i.e. R. variabilis, which I keep) are Data Deficient too, which makes it even worse.