It's a little difficult to be dead and cheerful at the same time. People tend to be a little stiff.
Well, there's always Baxter's Bakery and [coffee shop]. I can give you the grand tour of small coffee shops that aren't Starbucks at some point also, but those two are pretty up there. Oh! And there's a place called Emerald City Cafe. One of the valar newbies just mentioned it. I haven't been there yet, but it's open 24/7.