I've been familiarizing myself with the P850 I recently purchased and noticed something I find a bit peculiar. When shooting in burste modes (first 5, last 5, exposure bracketing) it seems the file size drops dramaticly. I usually shoot in 4.5mp (3:2) Fine and am used to file sizes in the high 2mb range. When shooting in burste modes the file size drops to well under 1mb (usually around 700k). Why is this? Is it so the camera can write to the card fast enough to keep up with the burstes? Is there any way to disable this "feature" or is it a design flaw/bug?