Just a few updates... I ended up getting the new RAM claw for yoke mounting (RAP-B-400U, $26), and it's a lot less cumbersome both in the cockpit and in my flight bag.

Meanwhile, I also got a suction cup base (RAM-B-224-1U, $16) for use in the Cirrus:

I also got my complex endorsement, and have been racking up time in a PA28R-200 Arrow II. My first landing after my insurance-mandated 5 hours with a CFI: