Where can one find more information on online stock brokers?

Recently NBC News did a report that suggested that one should use a few different ways to get more information on stock brokers. Their suggestions included asking around, getting a few names, and then talking to those stock brokers. So one would suggest that also for finding out more information about online stock brokers. One should ask around, get a few site names, and then research them. One Excellent place to start would be the site MSN Money.