Update on my search for SDI output on TiVo. Just had this message from PJ Hi-Fi in Guildford: "Great news! The box has been looked at by the board manufacturers head programmer and they have written the custom software build required for the FPGA to work correctly with Tivo. The box is now on its way back to us where we will fit the board properly, soak test and return it to you. Thanks for your patience, we got there in the end Best Regards Elliot Elliot Hicks Custom Install Manager Company Director PJ HI-FI Limited Tel / Fax: 01483 504801 email@example.com " Just shows about anything is possible with TiVo and I commissioned this to prove it. Not had the box back yet but I will add an update on video quality when I do.