here. Looks like he talked to about everybody you could on the subject, including some nice on-the-ground stories from speakers.
People like to compare Minnesota and Wisconsin, it seems like. Minnesota's thriving economically while Wisconsin sinks into oblivion these days and they're vastly better than Wisconsin at college hockey right now, but they don't have much going on this year in the NFL. But they're keep pace dialect-wise.
The Wisconsin Englishes Project folks are said to have something new in the works about vowels in Wisconsin and Minnesota ... stay tuned for that.