Welcome to the site Jon, have you joined the club to get access to the whole site? There's lots of useful advice here whichever route you choose to go down with whichever manufacturer!
In case you don't know both LB Cars and Hawk have considerably waiting lists so you've got lots of time to source and prepare donor parts before the kit arrives. I'm not aware of any cars for sale at the moment but those that do pop up are usually either advertised here first or linked to if they appear on the usual classic car websites or eBay.
Cheers
Guy
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