Thanks, Joe. That's a LOT to digest and I'll have to consult it in detail when I finally get an M1 Mac. I'm looking forward to the process!

Jon

macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365