I recently came across Restaurant Magazine's best restaurants in the world for 2005.
Clearly, this would make the basis of a decent travel itinerary around the world. One surprising thing I noticed is the number of British restaurants that made the list. Perhaps the result of a culinary Renaissance of sorts in Merry Old England.
Either way, it's a good excuse to visit and sample sartorial London. I certainly wouldn't mind a weeklong itinerary constructed entirely around classic English haberdashery. For starters, I'd make sure to visit and pick up: