The new version of Google Maps for Mobile (2.2) introduced a number of new features:
* public transport timetables in 60 cities worldwide
* user-generated content in search results
* star ratings for businesses
* sponsored links (google ads)
The new version also comes with faster search results and faster tiling.
Of course there is a YouTube video introducing some of the features:
Check Out: Google Maps on Mobile Round Up
Thanks to Mapperz for the tip!