My Gerber Paul II is a little stiff in the action, and is extremely susceptible to lock failure due to almost microscopic foreign body obstruction in the pivot.
Other than that it is a nice little knife. Well made, very tight tolerances.
There have been several threads about the Paul, From these I know that my knife has a stiffer action the some of them.
Try a search in this forum and/or one or more of the archives. You should find a fair amount of information.
Mike