Local Search
Pure Play Local Search Sites
These are purely local search sites, meaning they don't have other content associated with them nor are they part of a larger site.
Circos lets you find "funky hotels with internet access in New York". It crawls user reviews for keywords and uses those for filtering and comparison.
Google Maps comes at local from the map perspective exclusively. They even abandoned Local Google branding for the Google Maps branding. They don't provide landing pages but instead concentrate providing all information on flyouts on the map.
U.S. Yellow Pages, White Pages, Classifieds and Jobs site.
Microsoft Live brought out "1 Click Directions" recently. It's an interesting approach. Instead of your needing to supply a starting direction, Microsoft is providing directions coming from North, South, East and West using major highways as the starting reference point.
Yahoo Local completely re-launched its brand mid-summer. Is placing strong emphasis on their user reviews and ratings
YellowBot is a relatively new entrant but has enjoyed a great deal of success in SEO.