Gday Scott
I had an old 7" screen and found it worked no probs with the output from the Meade LS6" video out.
What you can also do, if the camera has a std composite video out is use a DVD to USB converter ( normally used to convert videos etc )
and stream the camera output to a high res laptop screen.
Andrew
i use this beastie
http://cplonline.com.au/kworld-usb-d...vd-maker2.html