I'm a bit traumatised by the thought of what Guy's B&B might be....bring your own spanners and a pair of overalls...

But back to the O.P....just hang on, keep looking, and unless it definitely has to be an LB, something could just turn up. As Craig said, there must be quite a few unfinished kits sat in garages, car ports and under sheets. And I'd say the same about a new LB kit too, cos at some point they'll open the order book again, surely sooner rather than later! (which doesn't mean I've got any inside knowledge whatsoever - just a gut feeling!)