I just attended a REALLY interesting lecture at Parsons by Robert Pietrusko and his partner on data visualization, they are doing some really cool stuff and had a great presentation. Here are links to some of the sites they discussed during their lecture:

http://cavs.mit.edu

http://www.qkw.com/devplan/pvmm/refer/marklombardi.htm

http://www.gapminder.org/

http://en.wikipedia.org/wiki/Mark_Lombardi

http://www.theyrule.net/

http://www.chrisharrison.net/

http://www.stewdio.org/windmaker/