One of the fastest growing sites is Examiner.com.  According to Quantcast the site is now ranked 316 in overall traffic - pretty impressive growth for one year.  They post news and information contributed by writers in cities all around the US.  You can find out what is going on in a lot of different cities and get plugged into the various culture, news, events, religion, sports and other aspects of a cities' life/activities.

It is also a great way for those of you who are interested in a particular area to write, raise your profile and even make some money.  Examiner.com is seeking writers.

I've just been accepted as the Albuquerque Christian Examiner and I've started posting articles and info.  If you are interested in exploring the opportunity visit Examiner.com and look for the "write for us" link.  Indicate you were referred by me, Tom Gilbert, and include my ID# - 4590.  Good luck and maybe we'll see your byline soon.