The best...who knows? You'll get lots of different opinions on here, but keep in mind that they are personal opinions and what works well for one may not for another...but I'm sure you know that alreay.
I personally like the Gorilla King Kong.
Not that you asked, but when hanging a lock on stand, I like to use my climber stand to do it with. That is of course if you're putting it in a tree that will allow you to do so. The first time I hung my lock on I did it with just foot pegs screwed into the tree and my safety harness and it turned out to be a heck of a job. The next time I used the climber and it was a piece of cake. Just a thought...
Best of luck,
Craig