Some of my favorite ciders include:
Westons Organic Cider
Addlestone Cider
Magners
Stowford Press English Export Cider

From Prince Edward County in Ontario, Waupoos Cider http://www.countycider.com/products.html

A useful website to learn about U.K. ciders is:
http://www.ukcider.co.uk/goodciderguide.htm

No entry on cider is complete with a clip of the Wurzels!
http://www.youtube.com/watch?v=SbIeacTahks