Tools and calculators

Life Expectancy Calculators

 * Living to 100
 * MSN Money/c

Retirement Calculators
need someone knowledgable to provide comment/rating of these. Some are monte carlo, others not. Each has pros and cons.
 * firecalc
 * Flexible Retirement Calculator
 * Bloomberg
 * MSN Moneycentral
 * AARP
 * AnalyzeNow
 * Diehard yobria's Easy Allocator
 * T. Rowe Price Retirement Calculator
 * Moneychimp Retirement Calculator

Diehard discussion on the above calculators

 * Diehards: Retirement Calculators?
 * Diehards: Retirement Calculator
 * Diehards: Financial Calculators

Portfolio Tools

 * Morningstar Tools
 * T. Rowe Price you can sign up for a free online account and have access to Morningstar tools
 * Diehard David Grabiner's asset allocation worksheet

Taxable-Equivalent Yields
Calculate the yield on a taxable investment that's equivalent to the yield on a tax-exempt investment.
 * Vanguard Taxable-Equivalent Yield Calculator

College Savings Planner

 * Vanguard College Savings Planner