Certain Morgan dealers also deal in Lotus.
So if you’ve decided you want a Lotus, but not found the actual car (eg you’ve decided on an Elsie but not a specific car that you’ve seen for sale), it might be worth talking to one of these dealers.
Oakmere and Bell & Colvill are the two dealers that immediately come to mind, there may well be others.
Good idea. Williams are also Lotus (and Caterham) dealers.