My personal favorite is the first one for Mike Cox. (what can I say?) It addresses the real issue in Michigan, a LOUSY environment to do business, (unless you are hooked by bureaucrats in a bizarre Rumplstiltskin scheme..) and is not the place that investors look to first any longer.

The second ad also uses a fast moving theme, and shows Pete Hoekstra is working hard on his campaign.  Ideas bus.  It doesn't identify the problem as well as the first, but it points out the value of getting input from around the state.

Mike Bouchard's "look" ad is pretty good too. It identifies the problem, and offers him up as a solution provider in the past, and identifies him as a "conservative" which resonates well right now.

Rick Snyder talks of "re-inventing " Michigan government in his short spot, "Jobs."  He apparently wants to look at Michigan as a business, and apply business solutions.

All of the ads have one commonality.  They are focused on the candidate as the solution provider.  No cheap shots, no overblown complaining, and each worth looking at.