Not sure how to make an official bug report but I will explain what happened here for the benefit of others. I am not really even sure it would be considered a bug.
I rendered a targa sequence some time ago with shadow and alpha buffers on.
I haven't rendered anything since then. I tried today to render a quicktime file and have been scratching my head all day cause I was getting nothing in the render.
I tried everything I could think of.
Well, the problem turned out to be that since I had selected the shadow buffer with the Targa render, when I went to avi, mov, or jpg since there is no shadow buffer option, I could not turn it off. I had mistakenly assumed it would automatically be disabled since I had changed formats.
I finally selected targa as my render output just to see what would happen and sure enough the shadow buffer was still on.
Very odd. Once I deselected the shadow buffer, I could render the other formats.