If you want more flexibility along with your diversification, however, you should take a closer look at ETFs, which have a few distinct advantages over mutual funds. Keep in mind, some of the investing strategies described below are fairly sophisticated and may not be for everyone. If you subscribe to the “buy and hold” investment philosophy and don’t plan to engage in daily trading or market-timing, focus on the first two points in order to make a decision whether ETFs make sense for you.
via 5 Reasons to Consider Investing in ETFs | MintLife Blog | Personal Finance News & Advice. My personal portfolio is as much ETFs as I can manage. On a side note the Mint.com blog is extremely worthwhile reading.