The thoughts and dreams of airplane owners on a budget, who’ve had enough bobbling along at 110 knots, may turn to the pre-201 Mooney M20 series. These distinctive airplanes don’t cost a fortune and they fly fast (140 knots or so), sipping only a gallon or two more per hour than a 172. If you find an older Mooney that has been well maintained, has a low-time engine (watch out for those Lycoming 360 ADs) and the most popular mods, what’s not to love? …