i only had the 60 stik. So that's what I will recommend. I'm sure the 40 is nice too though.

Over power it with a 90 sized two stroke. Cheap and easy to setup and tune. I had the OS95AX and that combo is a blast.

Stiks tend to come out nose heavy, especially with a large engine up front. I mounted the elevator and rudder servos in the back of the fuse by the stabs. I still needed a few ounces of lead in the tail after that. I glued them inside the fuse where the vertical stab opening is. Quick and easy and you don't have unsightly lead squares affixed to the outside of the fuse.

A Stik will be your best friend. You'll fly it on windy days that has everyone packing it up and heading home. I recently heard a new complaint about the stik that I found funny. The stik flies so well and easy that it can spoil you and comprise your landing skills. I never thought of this, but in a sense, it could be true. To land, just line it up and pull back on the throttle. It's probably the one model that is actually easier to land in real life than on the Simulator