First off, I suggest that you get this book, it is amazing and totally worth the price.
http://www.amazon.com/Complete-Chond.../dp/0976733455
For caging, you want to start them off in a tub. I would keep them in tubs until they are an adult, at which point, I would go with a 4x2x2 PVC cage such as the Animal Plastics T12. PVC cages are the best because they hold in the humidity really well.