Beautiful plants. Good luck to you upon growing them.
Keep us posted as to how they are doing.
I grow indoors and have decided to try them also. Believe it or not, I have kept a couple of them alive for over about 6 weeks. I haven't killed them them yet.
I agree with Don, I bought the book - - Amazon.com: Masdevallias: Gems of the Orchid World (9780881927375): Mary E. Gerritsen, Ron Parsons:
It is fantastic. There is so much usable info in there. I already have lot of things underlined, and put sticky page markers on important pages. For me, it falls in the 'important books to buy' list.
Marilyn