RE: 1/2A plans for a new flyer wanted!
I'm not entirely sold on the GWS converson of some of those models. The wings on those things are that thin undercamberd shape and without any bracing I think it's quite possible to have them twist and rip off with the speed potential of even a reedie product engine.
Now their Formosa model with it's foam and symetrical wing would be really nice. Beyond that I don't think you can do much better than a variation of the LS150 for either rudder-elevator-throttle or with a flat wing aileron-elevator-throttle. Either would be a super easy to build model and provide lots of thrills.