Any city has its pros and cons. I am currently an intern in a tech start-up in Paris, the city has many co-working spaces / incubators. The start-up scene is bigger every day, and yes you won't speak french 70% of the day.

Anyway just saying the document seems to be a nice post card from Berlin but the same things are happening everywhere.

Last year it was Paris (Wired.com): http://www.youtube.com/watch?v=rt2bHumqDFs