As far as trainers are concerned, I would, if I were you, go with the Hobbico Nexstar, or the Hangar-9 Alpha 60, both good trainers.

Also, if you feel you can handle something more than a basic trainer, I'd go with the Hobbico Avistar. I would not go with a warbird, (P-51, etc.), if you've had a long layoff, as you say you've had. Those kind of models may prove hard to get used to right away, prompting a bad experience.