I've been struggling with managing the AVCHD files from my GH2. Is it recommended to only delete the MTS files using the camera's delete function? Since it appears that the camera keeps all kinds of other info on the card (clip info, etc.), it would seem to me unwise to just delete the MTS files themselves. Also, I have found that deleting all of the MTS files at the same time results in the camera resetting the file numbering system to 00000.MTS. Is there a way to avoid doing this, other than leaving the last file on the camera? And if I reformat the card, I would lose that anyway ... grrrr.