Recoil sensitivity is not the only criteria for a scope. Repeatability of settings is another important one and that's where the cheap $40 scopes tend to fall down compared to a quality scope, even on a lowly 10/22. With a good scope, you can be dead nuts on at, say 50 yards, then crank 5 minutes of elevation on to be dead nuts on at 100, then drop 5 minutes to go back to 50 yards and find that your bullets are hitting exactly where they were before. Many people don't need this repeatability, but its nice to know its there if you do.
[This message has been edited by pbash (edited January 14, 2000).]