According to an article at heise online, Leica Camera AG has doubled their sales volume from 59.5 million Euro to 110.8 million Euro in 2010. Chiefly responsible for this are the sales in the camera and lens departments, which increased by 140% (sic!). Current best-selling products are the M9, the S2 and the X1 (who would’ve thought …)

In the same article they also mention that all the 500 copies of the M9 Ti have already been sold …

Here’s the link to a Google German->English translation.