Read the entire item at City Pages.
That the thing has grown legs is evidenced by Daily Kos picking it up; this link.
Polinaut on the FOX 9 - Rasmussan poll results showing that any of the three DFL governor candidates in the general election is more respected by polled voters than the loudmouth anti-worker GOP offering; this link. I bet those numbers, that source, are more favorable to Emmer than if the polling were done by another outlet. Early polls are dubious. I trust, however, my unofficial poll of my household, the result being that we all think Emmer is a Pawlenty clone, gone bad in the cloning process, and turned out nastier, louder, and worse.
_____________UPDATE____________
Actually my brother-in-law says Pawlenty is nastier, just more sneaky about showing it, hence more dangerous, while Emmer's more of a buffoon. I think on reflection my sister and I agree. That then is the household poll result.