My reasoning for London: Lots of Big Co's have offices here such as Google, Yahoo, BBC, Skype, etc Lots of great startups: Last.fm, Moo, Crowdstorm, Mind Cand

My reasoning for London: Lots of Big Co's have offices here such as Google, Yahoo, BBC, Skype, etc Lots of great startups: Last.fm, Moo, Crowdstorm, Mind Candy, Gottabet, etc Some great universities: Imperial, RCA, near to Oxford & Cambridge Good VCs: Index Ventures, Accel, Atlas plus Seedcamp Plenty of events: Ranging from weekly openCoffee's to big barcamps and Hackday and conferences like Future of Web Apps. Last nights Facebook Developer Garage pulled in 200 or so.