There are a bunch of options here, but only one "right" one...and it's expensive: Screen Research ClearPix2. Depending upon what size and options, you'll think you were buying another Ruby. 
http://www.screenresearch.com/cpmotorized.html
This is coming from a former Stewart MicroPerf customer (the "2nd best" solution, and not cheap either). Screen Research is handled by http://www.stjohngroup.com/ in the US.
http://www.screenresearch.com/cpmotorized.html
This is coming from a former Stewart MicroPerf customer (the "2nd best" solution, and not cheap either). Screen Research is handled by http://www.stjohngroup.com/ in the US.