The Realtime LUTs on the M43/Lumix cameras are worth it for that feature alone. Some of the ones by Nick Driftwood are amazing but I'm also having a lot of fun tweaking the image to my taste.
With the update to the Metabones to work with phase detection, it's brought new life to the Sigma 18-35 (which I had sold and now re-bought). This is for when I need to work in lowlight. Otherwise, I much prefer running around with my 15mm f1,7 , 25mm f1.4 and 42.5 f1.7 primes. So easy to carry around. I have the Sony A7iv as well but the G9ii is a much more fun camera to use.