A DigitalPoint Forums thread reports seeing a new type of Google AdWords result. This AdWords result seems to be combined with a Google Maps result, where it shows a blue pin, and address information on the right hand side of the search results, where the AdWords results are. Here is a picture from the thread:
Mike recently spotted this as well, and believes this has to do with the local extensions feature Google Maps released.
Personally, I cannot replicate this at all. I tried dozens of queries and non took.
Forum discussion at DigitalPoint Forums.