Originally Posted by JESTERTLS
For what your wanting I'd probably say try to find a good Automag/MiniMag or maybe a mech cocker.
I will second this. Automags have a regulator built into the valve. Start with a Mag with a Classic valve, and you can upgrade to an RT-derived valve if/when you want, keeping all your other parts. Just remember parts from the RT Classic
are not intertchangeable with those other iterations of Automags.