The Sandia SAI340 seems to be exactly what I was hoping for in a second attitude instrument. Since the old E has a Brittain AP, everything but the turn indicator is vacuum. I've never been comfortable in the clouds with needle, ball and airspeed as my backup plan. So for $3k you get what looks to be a certified Dynon D10 EFIS install with a logbook entry. But as analysis paralysis sets in, I notice that the EFD1000 VFR is about $4.5k which if I understand it correctly, would allow me to dump