Welcome!
Hi Frank!
re: chestnuts… think GREEN! You don't need a smokey old fire place, you
can roast chestnuts on the sidewalk! <grinning>
Regading resolution of the video coming from digital sources. There are
products out there that can play back >400 lines of resolution from
digital sources in real-time, and they are getting less expensive every
day. You should not see a "pixelization" when using these as sources
unless your projector does its own sampling and displaying instead of
working in an analog format.
-John