The Pew Internet and American Life Project provides a great deal of nationally representative data on Internet and new media usage in the United States. It may be a valuable site for those seeking survey data to analyze and incorporate into their research
I too have found this website to be very helpful. Here are a few more links from Pew providing evidence of the growing use of the internet and for the fading of the "digital divide."
http://www.Pewresearch.org/millennials/
http://www.Pewinternet.org/2009/09/01/the-internet-and-civic-engagement/