If your only real pinball experience is with LOTR, it's not surprising that you are finding MMr to be a bit frustrating. LOTR tends to have longer than average ball times. The rules may be deep, but keeping the ball in play is fairly easy. I say give MMr some time. Get to learn the rules and develop your flipper skills. Chances are, you will end up really liking your MMr. If you still don't like it, sell it and move on to something else.