Very much depends on what you are looking for. Personally as an instructor I would aim for the Robin range (2160 and Dr400/500), but as a businessman I would probably not go there due to the support issues so you get back to Cessna/Piper rubbish, apart from the Robin range (and not sure exactly where these are at the mo) there does not seem to be much new on the market that I would class as a good training Aircraft, most nice handling newbuild aircraft now seem to be homebuilts!