I have 4, all western high premium, 2 are CP. I had a reseller bid about $100 back in 2008, nothing since. Many of the best letters are owned by one guy, and I can't find many (or any) end user websites.
They are dreadfully rare, all gone now, but there were lots a couple years ago. Note that hyphens cannot begin or end a domain, and triple hyphens are currently forbidden. There are NO L---Ls or longer as the rules now sit. I think L-L-L.com are a lot better for end users.