TG-16 regularly hits $100 working, a plain old white PCE is usually found half that price. PCE does not have composite port so one will need to use rear EXT port or mod and install a port inside. Removing stock RF and installing 8 pin mini DIN wired the same way as Sega Genesis and Megadrive works the best.
PCE has one benefit: works with almost all controllers. TG-16 only works with TG-16 without adapter.