I priced out an RV-9a quick build kit, with crating and shipping. I added a few nice options like electric trim, really nice heated leather seats, a complete interior with side panels and carpet, and LED lights. I figured in a dual screen Dynon system with battery backup, 2-axis autopilot and GPS, as well as dual ADAHRS and engine monitoring. I did skimp on radios, going with some used King gear from either Bennett Avionics or eBay. Still a transponder and two NAV/COMMs, probably KX-125s.
Then I looked at the cost of a low-time used O-320, and an EFII kit to convert it to fuel injection and HEI. I figured in a 3-blade Catto prop and some tools and supplies. Unless I've completely forgotten something really big, I'd still have room for professional painting (but I can shoot paint myself) and still be well under $85K. If I paint it myself, the difference would pay for my flying club dues and a few hours a month of flying for two years.
In the end I'd have an airplane that would cost a fraction as much to fly as an older Mooney, Comanche or Bonanza. I could fix it myself if something breaks. I could sign off the annual condition inspection. I could put whatever gas in it I felt like. It won't require a high performance or complex endorsement to fly. I won't ever have to worry about retract problems or gear-up landings. Other than the time and effort to build it -- and with the QB kit even that is cut way down -- I'm having a tough time seeing a down side.