RE: Rate me..........
It's hard to gauge, because some shoots are a whole lot harder than others, even at closer distances--targets set at angles, obstacles, uphill/downhill shots, courses that will wear you out just walking them, etc.
Not counting 12's, you shot a little over 71%-- on an average course (not killer hard, not all gimme shots) that ain't bad at all. I try to stay at 80% or better (most of the courses I shoot don't count 12 rings), but I don't always make it.
3-D is just a game--have fun with it, and use it for practice. Like Guss mentioned, you have to keep in mind when you are hunting the scoring rings aren't always in the place you would want to hit live game. However, being able to hit where you want is a good thing, and 3-D helps--it also gives you varied shot situations, and shots on territory you may not as familiar with as you are your back yard or local range, so you learn to judge distance better.
Chad