If you have an interest in discontinued tableware, antiques and collectibles and the second hand market as a whole you may find the following websites of interest.
CarBootJunction.com - This is a fantastic web directory of car boot sales throughout the UK. If you want to know what boot sales are running in your area then this is the site to check out. It even tells you whether there are toilets or not (but not necessarily how clean they are!)
Accumulations.co.uk. A great source of information about collectables of all types. New subjects frequently added to collectables list.
Rob's Poole Pottery Collection is a great online resource dedicated to Poole Pottery. It includes general information about traditional, contemporary and tableware items as well as information on marks and a price guide.
Antique China Porcelain & Collectibles - Retailer of antique collectibles including cut glass, porcelain figurines, and china dinnerware with patterns by Dresden, Meissen, Haviland, RS Prussia, Royal Copenhagen, Nippon, Belleek and many more.
For 20th Century Glass & Pottery Collectibles take a look at http://www.artglass-pottery.com.
THE POTTERIES. The local history of Stoke on Trent, the heartland of UK pottery and china production. http://www.thepotteries.org