This is probably a no brainer, but I have experienced file corruption when I try to record video from my 650 directly to my SD card. When I record to internal memory, all goes well. When I record straight to SD, it seems to go well until I stop recording, and it gives me an error (not to mention corrupted files on the card.

Is this problem that my SD card is too slow, or is this a problem with the built-in video recorder. I suspect the former, but anybody elses experiences would be welcome.