Index Funds Online
"Index Funds.com is a comprehensive resource on index funds investing, promoting a commonsense approach that seeks to maximize expected returns at each level of risk ultilizing index portfolios. An index fund can be defined as a mutual fund or exchange traded fund (ETF) with a clearly defined set of rules of ownership, that are held constant regardless of market conditions. The fund does not have to follow a well known index. An extensive database of index funds articles and data include information on Dimensional Fund Advisors (DFA investments or funds), Vanguard, Barclays, and most other index funds. There are about 700 index funds today."