Unconventional Success - Writen by David Swensen who heads the investing of Yale’s endowment, an excellent resource for developing a personal investing plan.
The Intelligent Asset Allocator - Some ideas from this an excellent investment guide written by William Bernstein.
All About Index Funds - More index funds information from Richard Ferri.
Common Sense on Mutual Funds - An excellent book from John Bogle, founder of Vanguard.
William Bernstein's Efficient Frontier - Filled with interesting articles from the author of The Intelligent Asset Allocator.
Financial Web - An array of free information on the full range of personal financial topics.
Global Financial Data - An excellent source of asset class data for analysis.