Chow Monkey
Mu-43 Regular
"Speaking in an exclusive interview, Kazuto Yamaki also said the company is considering producing lenses for mirrorless systems such as those from Panasonic, Olympus, Samsung and announced by Sony."
http://www.dpreview.com/news/1002/10022210sigmainterview.asp
http://www.dpreview.com/news/1002/10022210sigmainterview.asp