I am interested in buying a 40D. But I would like to know from someone that knows for sure if the CR2 file of the 20D is the exact same file system used in the 40D? Or will I have to update me Photoshop yet again?
Also does the 40D have better noise control? Anyone know if the noise control on the 40D is as good as the OLD 1D MKII?
Lastly, something happened to my ability to view RAW files on my sucky vista windows computer. Does anyone know how to make it so Image Viewer is able to view them again? Thanks.

