Nice find by John Moore (or his friend). Either way London Bloggers seems like a neat resource, allowing you to find which bloggers are based at tube stations near you.

John found fifteen other bloggers near him. I found one at my closest station, giving a guide to the Underground, so I'm now feeling extremely suburban ...

[p.s. John - I've tried pinging your site but with no joy - MT keeps giving me a read time-out error - any ideas whether it's my end or yours? Would be nice to give credit where credit's due!)