Coming to London to buy an overpriced road bike : Where to shop?

OK so I am thinking of a short trip to London from Paris this weekend, mainly to spend an obscene amount of money on a road bike. There is way less choice here, and I'm obsessed with the idea of owning a Moots Vamoots.... I guess I'm nearing my forties and the mid-life crisis that comes with the period. Something like this would help me go through these harsh times:

I have a few questions though:

• Are Mosquito and Bespoke worth going to? Seems like the only shops selling Moots in London..
  
• OK if I don't get a Moots, what else is in the same vein? (Ti, classic geo, minimal graphics..)
  
• Will I have to wait until they get a frame in and do the build? Patience isn't my forte.
  
  

Bear in mind that I'll stay East, and just had knee surgery so walking with a crutch, unable/unwilling to cross London to see a shop in Fulham or somewhere as far...

Yorgo