seems like they're making a smaller PM version on the cobalt and suede asphalt version and more colours like cream, chocolate and suede donkey.
The new bags will be available at Louis Vuitton stores from October 1, 2010 for US$3,730 and US$3,360 for the SC Bag and SC Bag PM respectively

Louis Vuitton Sofia Coppola PM cobalt

Louis Vuitton Sofia Coppola PM chocolate

Louis Vuitton Sofia Coppola cream

Louis Vuitton Sofia Coppola PM suede asphalt

Louis Vuitton Sofia Coppola suede donkey