For my decks that use CF and SD cards I always pull the card and put it directly in the reader, it is much faster. There is even more difference now now that the cards are getting bigger and bigger, which seems to amplify the difference between the slower in deck method versus direct card in reader method. I have never seen any wear or tear on any of the cards as a result of sliding them in or out of the deck. On CF cards, a small amount of care is exercized due to the little pins involved, but again, I have never had a single issue. For the one deck I have that uses SDmicro, I use the USB cable as like others I dont like dealing with the little card.