Well, NAT was right again.  Posted on Sunday about my Envisio plus having no response on the touchscreen.    I called Ag Express and they said they can fix the touchscreen and it should last as long as it did last time.

  Apparently someone should tell Sprayer Specialities, the dealer who sold it to me in the first place, that it's repairable.   They swore up and down there was no one who could repair them and in the same breath said they'd be more than happy to sell me a new one.   Yea, right.