Just a question, why not Red Eye Tree Frogs? They're pretty and won't kill you?
Dart's won't kill you?! lol! Darts are much cheaper and easier to aquire where I live than RETF's and I'm still in the process of building a 50 Gallon, 5' 5" tall RETF viv. It, like my toad viv had to be put on hold.