The new line of Barbie dolls include eight skin tones, 14 faces, 22 hairstyles, 23 hair colors and 18 eye colors. As stephen_schenck points out on the BB BBS, they are available in any body type as long as it's very thin.
CNN's article, "Barbie is getting more real," also looks at other contemporary doll brands like GoldieBlox, Naturally Perfect Dolls, and Tree Change Dolls.
Barbie Fashionistas (Amazon)
GoldieBlox Girl Inventor (Amazon)