No, you could try Enduronews.co.uk for bikes for sale and TBM magazine.
Or Fleabay - but do ensure you view before you bid!
Often a deal can be done if you travel to view, they are not all rubbish
but many are!
One thing to watch out for is bikes which have been abused then tarted
up with re-fitted/replaced bodywork and a bit of spray paint.
Your concern should be the state of the engine and chassis, bearings
etc. not whether the bike looks nice and clean.
Good luck..
