The second coffee shop has to be Kaffeine. Having only recently come across this one, I was certainly impressed and they may even have the best coffee I've had, since a short stay in Portland, Oregon.
Great comic shop that stocks small press, and everything else you'd expect to find. The kids section starts at early ages and has something all the way up.
Turkish food meets Heavy Metal. Lee Tiernan's (ex St John Bread & Wine Head Chef) experimental take on Turkish cuisine. Flatbreads, offal, squid ink, cod roe & foie gras doughnuts. Expect the unexpected.
The Wellcome Collection is a free museum and library, mostly dealing with medecine and social history. The exhibitions are unusual and engaging, and the permanent collection includes bizarre items such as medieval masks and human remains.