Welcome Big E
Im sure you will love it here , most of us do .... you just dont know what you have got yourself into though .....
" I just might have a fully operational 20kpps RGB scanner for under $200. That's dirt cheap for you guys, but that's as highest as I'll ever go "
Haahha , fantastic and loads of KUDOS your way for building your own correction amp .. wow , fantastic
as regards the $200 ... then you will want another projector , or 5 , 20k$ and 5 years later you might JUST be happy with your kit !
paul