If it's any consolation at all, I bought a brand new Murcielago, the dealer crashed it while he had it, badly resprayed it and lied about the whole thing. This is London's main dealer by the way who also sell Rolls Royce. I had to take them to court and they settled just before.
That aside, I'm very surprised to hear about an established Morgan dealer behaving in a lacklustre way - they are normally real enthusiasts.