I agree entirely. Balancing and optimizing the classes we have now is much more important than pumping out new ones, and I'm sure Cryptic is doing what they can. Its merely whimsical fun to fantasize about our favorites getting in!
instynctive, The closest you are going to get for that is the current Oathbound Paladin. I don't think we are going to be seeing Battle Cleric any time soon. One can hope, though!