[google1] www.retrocomputers.eu also has a YouTube channel. You can subscribe by going to Retro Computers Youtube Channel, or click the YouTube icon at the top of any page on this site.
Here is one of my more recent videos – a BBC Model B playing Commodore 64 SID tunes thru the BeebSID device. There will be a new one soon about the BBC Master 512 – a 80186 PC inside a BBC Master 128.