The Genlock allows you to overlay a video source such as one from a VCR or camera onto your computer display. It's handy for adding text, titles and effects to whatever video you're editing. Not much use for a genlock in these days of HD digital television. Pricing the items can be quite difficult. Hardcore collectors might pay top dollar but most of them have rounded out their collections of A1200s and genlocks. Post the items on eBay or Amibay and see what you can get for them.