Well, my local actually had a tape that I wanted, but didn't have the money for, and now it's no longer there. And since they buy them in a job lot, they're unlikely to be getting another copy for a while.
So could you have a look? Cost + postage paid if you find it.
Oh, the title? Something like "Party Political Broadcasts - The Greatest Hits".
Why?? Well apart from wanting to jeer at Rosie Barnes' rabbit, Labour's 1983 disasterous PEBs and Thatcher's, a session with a videograbber and Adobe Premier could well come up with something rather good...