its a real shame; some may know BNS miniatures who stock fantasticly cheap, yet beautiful plinths, for they have know closed down. the man who used to run the company attends to my local games workshop, he is called Ian Hale.
check out some of his plinths on google images, they were good cos they were cheap, and some other websites still stock some of his products. I have just found one-
http://miniature-heroes.co.uk/index.php?main_page=index&cpath=325_366