OK dont get the pentax K20D - you cannot turn off the automatic dark subtraction, I had a DS version and I still own a Pentax K10D and love it. But at higher ISO it is very noisy. I either shoot it in ISO 400 or 800, and in full raw + jpeg mode so i can use either (also have a 16GB SDcard in it). I bought a battery grip for it that will allow you to keep the internal battery as well as use two more batteries and an external power supply. I love this camera and was going to upgrade to the K20D until i found out about the dark subs problem. But if you can get a canon 450D then get that
