The February 8 issue of Newsweek has a fairly long article about antidepressants.
http://www.newsweek.com/id/232781/page/1
Supposedly you'd get just as much benefit from taking a candy pill. There's another article in the same
Newsweek where a doctor disagrees though.
http://www.newsweek.com/id/232782
I haven't had any experience with antidepressants. I'd go with whatever worked for me though.