A review of the Sigma SD10 digital camera has been posted at dpreview.

This is part of the review conclusion:
“The SD10 is certainly a significant and capable digital SLR, especially thanks to some of the improvements made since the SD9. It offers a level of image quality Bayer sensor cameras just can’t match (pixel for pixel).
[…] There’s nothing wrong with the Sigma mount but most people have Canon or Nikon lenses.”