I have tried a few, 3 years ago. Most were only moderately good for having documentation up. Frame rate was abysmal, a delay of up to 4 seconds, and most had

I have tried a few, 3 years ago. Most were only moderately good for having documentation up. Frame rate was abysmal, a delay of up to 4 seconds, and most had issues where the text was all jpeg-ified. Direct wire would probably work out better.