I go here for scores and tour information. It has the latest news on recent and upcoming IPOs. The government has an amazing amount of information, and the census is a good place to get macroeconomic data. I'm a golf fanatic in my other life. I go here for scores and tour information.
Many professors post their early research on the site.
It aggregates a variety of economic and finance journals that I can search for published papers. I grew up in Indiana, so I've got to follow college hoops. Though geared toward professionals, anyone can look for news on stocks or ECNs. I can look up the phrase 'signifying nothing' and find it in Act 5, Scene 5 of Macbeth. It has links to various finance sites, both academic and nonacademic.