Okay so I'm still not at home to view this - but the cast has been announced & the new amazing race page is up. There is apprently some videos too.
Got all this infor from Tarflies.
http://alpha.cbs.com/primetime/amazing_race12/The teams are:
Kynt & Vyxsin - Dating Goths
Marianna & Julia - Sisters
Nicolas & Donald - Grandson/Grandfather (HOW COOL IS THAT!?!)
Kate & Pat - Married Ministers
Rachel & TK - Dating for almost one year
Ari & Staella - Best Friends
Lorena & Jason - Dating
Azaria & Hendekea - Brother/Sister
Shana & Jennifer - Friends
Ronald & Christina - Father/Daughter
Jennifer & Nathan - Dating