I have an older PTEC-CE and it is a brilliant instrument - my go to tenor. Neck is much thinner and faster than the newer models, in my experience. I also had a MHT-SH which was also a beautiful instrument. Seemed more heavily built and had a thicker neck. the MHT was a quieter instrument, but still had lovely tone.
They are really great instruments for the price, and there is a model fosuited to whatever tone you are looking for.