My first Mooney was a 69 G model that I owned for over 5 years...of which I spent thousands trying to get it to look like a J. I too was in the same price point as you and trying to find the perfect TT, SMOH, avionics, maybe a speed mod or two. When all said and done I sold the G (as sad a moment as that was, lotta love and bank went into her...with almost $0 return on my investment) and bought the J. But with all this said, do what you can afford and by all means stay in the mooney family.
Since I am a Floridian by birth and relo'd to MO about the time I sold the G and purchased the J, hold onto your wallet. Coming from a state with no state or personal property tax, Missouri will tax you for breathing. The sales tax will run you about 7 percent of your purchase. Personal property tax will cost you in the $2k range unless your plane is over 30 years old, which sounds like the vintage you're looking at. If your plane is over 30, there is a stupid exception created by some politician that had a hangar full of old stick and rudder stuff that states "if you fly your plane less than 50 hours annually...blah blah". In a nutshell you will get off with about a $250 bill. Bottom line, it doesn't surprise me everyone you meet in MO never leave the state, it's because they are so in debt with taxes they can't afford to leave...LOL, I don't mean to sound ugly but any state that capatilizes on general aviation at this level is no friend of general.
I do wish you the best of luck with your search and by all means don't pay much attention to me and my ranting about MO, it is a beautiful part of the world and the nicest people I've ever met.