The first time I came here a few years ago, it immediately reminded me of the kind of cute café one finds in San Francisco or somewhere in the East bay. I don't get over here nearly enough, but every time I do I'm glad.
It goes without saying that you can order all sorts of excellent coffee drinks at a place like this, but there are also tasty smoothies and fruit juices and a really good deli counter serving sandwiches and lunch fare. I also always forget how central it is. It's in the über-trendy Glockenbachviertel, but it's just a few minutes away from Sendlingertor on foot.
If you meet here for an evening drink, have a back up plan though, they close at 20:00