[Ken H]

Been dollar cost averaging into Vanguard index funds for years. I use the Total Stock Market index, the GNMA, and the Intermediate Term Treasury index. I keep it about 50-50 between stocks and fixed income.

[Ken H]

You can figure the return on the S&P 500 with dividends reinvested for any time period from 1970-2003:

S&P 500 Total Return