Nah, it's just a pipe dream, Twigs. We're too cemented here but it's a nice fantasy and then we can debate at length whether it would be a worldwide or just a European tour ...
I'm not coming to the meet-up, sadly, but it seems to be that Leicester Square would be a good choice, because it would be handy for LadyDamerel (and anyone else) to pitch their bivouac there.