CNET Electronics have belatedly reviewed the Sigma SD9 DSLR:

“The Sigma SD9 works far better as a proof of concept for the Foveon X3 sensor it uses than as a practical digital SLR. The first camera to take advantage of Foveon’s 3.42-megapixel, 10.3-million photodetector imager, the SD9 manages to capture extremely sharp images of stationary or slow-moving subjects in good light. But action and low-light scenes produce mixed results, and when combined with the rest of this camera’s characteristics, it all adds up to a mediocre digital SLR that displays flashes of greatness only occasionally.”

Website: CNET - Sigma SD9 Review