Actually I ditched all my to-do's, and spent several hrs in the plane room and came out with this:
AUW 2# 6oz, 46in sym wing, 13.5in root chord, 7.5in tip chord, No Horizontal Stab, New Mag .15, with an 8x3 MAS prop, CG at 12%, 3 ch, elevon mixing, coro fuse, Double tapered wing, 1 7/8 LE taper