Tax Forms and Calculators
http://www.kiplinger.com/tools/index.html
http://www.bloomberg.com/invest/calculators/tax1040.html
Internal Revenue Service
News, Stocks and Business
http://www.usatoday.com/money/front.htm
http://www.marketwatch.com/
http://www.internetstockreport.com
http://www.investors.com
http://news.google.com
http://www.business.com
Taxation Tidbits and History
http://www.taxworld.org/History/TaxHistory.htm