After going on about the awesomeness of Yeasayer, it looks like they will be back in Chicago shortly with Man Man! As Pitchfork puts it, "Philly weirdos Man Man and Brooklyn weirdos Yeasayer will embark on a joint tour of the U.S. in April." That's about right.
Man Man w/ Yeasayer @ Logan Square Auditorium, Wednesday April 16
They've also got a show scheduled the next day at the Annex in Madison, WI. That's one thing I (mildly) miss about Madison; though not a lot of bands tour through the city, when they do, they play at far smaller venues then the ones they play in Chicago.