RE: Thinking of going spread spectrum
Key differences include
Futaba 2.4GHz FASST shifts every 2 milliseconds and spectrum doesn’t
The DX7 has a 3 position flap switch and the 7 cap has a 2 position flap switch
Spectrum has a wide vary of receivers and the 7 cap has one
I am doing the same research as you so an this is what I have found