Okay, you have laid out your requirements, money and .46 engine. With that in mind, here are my suggestions:

Sig Four Star 40 ARF or kit.
Goldberg Tiger 2 ARF or kit.
Ultra Stick 40 ARF.

The first 2 are based on countless recommendations on a good solid 2nd plane. The Ultra Stick is what ended up being my second plane. I was building a Tiger 2 kit and tried to do too many things at once. I had set it aside and then it got ruined by a water leak. I flew the Ultra Stick on low rates and probably 10 flights before I ever started flying it at more than 1/4 throttle. This was with a 46FX engine and a 11x6 prop. After I got comfortable flying full speed I swapped props for a 12.25 x 3.75 prop and love flying it now!