I have a Canon Digital Rebel XT that I purchased from Best Buy last September. I went ahead and bought the four year warranty that's offered. About three months ago I started having problems with the camera. It didn't matter if it was in fully automatic mode or a manual mode (auto focus on) the camera would have problems focusing and also letting in enough light. Most of my pics were coming out yellow or blurred. In fully automatic mode I would assume there would be enough light inside my house to get a properly focused/white balanced photo, but that wasn't the case. Anyway, I took my camera to Best Buy to have it checked out through the warranty and about two months later I got it back. They had lost my camera. Anyway, they weren't sure what was replaced but now it downloads super slow and worst of all my problems are still present. Regardless of what setting if my subjects move I get a blur, the color still isn't correct. Over the weekend I tried to take some outside shots in the evening...I tried in Tv mode at first because I was blurring some traffic but then I wanted a nice crisp shot of a building so I sped my shutter back up and it wouldn't allow enough light in to even be able to see the building. So, I put in on fully automatic and tried again and it kept the shutter open for 8 seconds in order to take the pic. What is going on with my camera? Should I just take it to a camera shop and have them look at it...Best Buy told me it would be shipped to Canon and repaired but I hope Canon never touched it because my problems were never solved. Thanks for any and all of your help.