Averof: yes Bill Terra`s "Graf Spee" is well known as is Francois Zanella`s "Soveriegn of the Seas" masterpiece. Try
www.warshipmodelsunderway.com There is also a very nice supertanker in the USA (Florida I think). Another one which you can buy as a cruiser is a mini replica of the Clyde Puffer. Another live aboard Puffer is the home-built "Wee Spark" at 1/3rd scale.