Alan, that link you gave us led me to have a look around and I came across this one as well:
http://www.littlemachineshop.com
Not only a very good supplier of all things to do with small lathes and miling machines but also an excellent resource for information regarding them. I have already ordered a Cam Lock set for my tail stock and if that works out OK I may well be looking at a few more bits and bobs.
They also ship worldwide and they responded to an enquiry I made immediately.
All interesting stuff and it has generated a renewed level of enthusiasm for getting home and having a play with my lathe. So far I have only done some very basic operations with it but I want to start to do a bit more with it.
having said that it was the only way I could drill the hand holes in my hatch boards for the model boat mainly because it can spin considerably faster than any drill I have available.