I've got the LT-40 arf with an OS FX 46 and a JR662.

I have no complaints about any of it, the FX 46 I consider my best investment ever, since it has been very easy to start, never quits, and is easy to adjust.

I did do the triangle stock mod, although I think if you epoxy it well, its probably not totally necessary.

I have one comment, but the set up you selected is absolutely fine and there's no real need to rethink it, but if you got an ARF, you could have already had it flying and be soloed before the weather turns bad. Of course, it may stay warm enough to fly a lot this winter down there.