TANNOY: Vintage ones; what’s all the fuss about?

I am getting fed up reading about vintage Tannoys, as a person who has never had the pleasure to hear a pair, can any AOSers please educate me as to why they seem to have such a cult following- and do l need to listen to a pair?

http://theartofsound.net/forum/showthread.php?32756-What-is-so-special-about-vintage-Tannoys