So I am a newbie... N7409V 1976 M20F Executive... not only am I new to the plane but I had 10 hours in a rental Cessna when I bought my Mooney. I am now up to a mind blowing 30 hours with 10 of it in the Mooney. I am quickly realizing that the original gauges from 1976 are going to be short lived. I love the idea that the plane is original ( did I mention it spent the last 18 years in a hangar never seeing the light of day!) but I am tempted to put in a Garmin 430 or do I pull the big trigger an