More discussion on 0 point Astromechs here - I think you're right Funkleton, but not everyone was as convinced.
I'm hoping the R3's in the ARC-170 are 0 point Astromechs, but what kind of "Once per" ability could they have at that point value?
Well to be fair I was probably overstating the "Final piece of the puzzle" thing - the x-wing pilot roster is so diverse that it would be next to impossible to produce a one size fits all fix