There already are a bunch of FF XIII trailers :

FF XIII trailer 1:
http://www.dailymotion.com/video/x1cg1v_final-fantasy-xiii-trailer-1_videogames

Trailer 2:
http://www.dailymotion.com/relevance/search/final%2Bfantasy%2Bashelia/video/x3xil7_final-fantasy-xiii-trailer-2-hq_videogames

FF VERSUS XIII trailer 1:
http://www.dailymotion.com/video/x1cns4_final-fantasy-versus-xiii_videogames

Trailer 2:
http://www.dailymotion.com/video/x3xitj_final-fantasy-versus-xiii-trailer-2_videogames

But I wanted to add this one as a present to my huge Myspace friend, Jardine FARNER, who is a passionate Final Fantasy fan...