kotakota you have outed me!
I agree the little Navajo and Baron were great, the real Mercedes of the light twin world. I also really liked the Cessna 310R, the Chieftan, and the Cessna 404.
Another thought regarding the Seneca (just so the thread remains on topic), the pilot doesn't require an Instrument Rating to fly it, which will help keep your costs down.
I still can't help feeling though that if everybody else is moving towards Caravans then that is the way you should be going too.