I've had both. I much prefer bunks. Better trailering (rides lower and more stable), better support for the hull, no difference launching (because it rides lower). When loading, I find that it's easier to load without getting my feet wet because I can power part way on the trailer and step off the bow onto the trailer to winch it up the last few feet. If you're having trouble getting the boat to slide on the bunks try some silicone spray.