I had spent quite a considerable amount of time looking for a nice HDMI upscaler for my now UAV retrofitted Atari 1200XL. The UAV did wonders for the video output, but it was ultimately let down by HDMI (or built in TV) upscalers which assumed much more on-spec video signals, with chroma and luma tolerances that react well to run of the mill comb filters.   I bought the Pro version which, in addition to the CVBS to HDMI upscaling, adds support for S-Video (Y/C), Component (YbPbPr), and