Hi G5 owners,Is your "down" (timer/burst mode) button mushy feeling compared to the other directions (up, left, right)?I returned two G5's due to this issue since many times I couldn't tell if I actually pressed the button and some presses were not acknowledged (skipped).It's such a shame as otherwise, short of the lack of full manual control during video recording, the G5 is an absolute gem of a camera and would be perfect for my needs. The focusing speed is superior to any camera I've...