http://video.folsom.com/products/ind...068677645_2689

ViewMAX? is a high-performance down converter that converts computer graphics (up to 1600 x 1280) to true broadcast quality in real time. It is designed for professionals who demand the highest image quality, high reliability, and complete control over all aspects of the down conversion process.
also has dvi input and loopthrough options

http://video.folsom.com/pdf/ViewMAXdatasheet.pdf