I really like this kind of setup. I don't know why I haven't seen many other people start a high-humidity riparium. It is a great way to keep a collection of emersed crypts and other collector stuff as a real display with fish, rather than as a growout tank with shallow water. I wish that I hadn't gotten rid of that 55G that I had.
My 150 was a blast when it was setup as a high humidity riparium.