I do a mix of both, I want to keep a record of all my dives. I'm only up to number 47 and my first 20 were all paper logged I now use Scubaearth online to keep a record of all my dives and on special occasions I will also keep a duplicate paper record (for example diving the SS President Coolidge at Christmas I got the turtle stamp in my logbook because I have seen a turtle over the wreck - seemed appropriate to keep a paper based log of that dive).
One fine day I would like to achieve my master scuba rating, maybe after that I will be less inclined to keep such a detailed log... who knows.
One fine day I would like to achieve my master scuba rating, maybe after that I will be less inclined to keep such a detailed log... who knows.