I personally would recommend a phramipedium besseae cross- I have Phrag besseae (besseae 'Big Bob' x besseae 'Colossal' (it was one of the cheaper ones, but still pretty). I grow it with my phals and it has done nothing but thrive! I pretty much leave it alone except for basic watering/fertilizing every week and a spritz of water to help with humidity= easy, easy, easy!
I have also heard that several oncidiums ('sharry baby', 'sweet fragrance', etc) are supposed to be pretty easy as well!
Good luck and happy hunting! Let us know what you find!
