In case you haven't seen it yet, the current edition of Newsweek has a cover article on genetic genealogy. "DNA Testing: In Our Blood" is an article by Claudia Kalb that describes some of the successes that genealogists have had when using DNA analysis.
You can read the article at http://www.msnbc.msn.com/id/11080815/site/newsweek. It also has links to the PBS series, "African-America Lives," and to testing companies.
