Why not go scart for all of them and use one of these:
amazon.co.uk/AV-Control-Box-scart-SBX-94SE/dp/B000X4333E/ref=sr_1_3?ie=UTF8&s=electronics&qid=1270330811&sr=8-31
You don't get any cross interference on that one as you do on the cheaper alternatives...
💬 I found a spare SCART socket, no need for a switch
Paul Clarke's weblog - I live in A small town. Married to Clare + father to 2, I am a full stack web engineer, and I do mostly javascript / Node, some ruby, python, php etc. I like pubs, parkrun, eating, home automation and other diy jiggery-pokery, history, family tree stuff, TV, squirrels, pirates, lego, + TIME TRAVEL.