The Tom Bihn Ristretto is serving as my makeshift 11-inch MacBook Air case for now. The Air is about 1” taller than an iPad, though, so it can’t fit under the internal protective flap. But since I don’t do gymnastics while I walk to local coffee shops, I’m ok until I get an official case.
Related: it feels incredibly liberating to leave the house with nothing but a ~ 2.6lb manpurse that contains a fully functioning notebook.