It's been a month...how are you liking the new machine? Did you go with the 1M2 for external storage?
I am loving it. A bunch of it is the speed, upgrading from an i7-5820K to an M4 Max. I also like the interface and am enjoying a new (to me) O/S. I have kept it on Sequoia and have no intentions of upgrading past it currently.
So far my biggest issues have been the keyboard mapping and the external drives.
I started out trying to use the CMD key for cut and paste. After a few days I said screw this and just remapped CMD to CTRL. I have been programmed since 1983 (college) to use the CTRL key, either from PC or from mainframe (EMACS editor), so why not make it easier for my muscle memory?
I am still annoyed by END not going to EOL.
I spent some time, but probably not enough reorganizing the dock.
The unresolved issues I need to deal with:
1) Fixing external drive sleep error messages. It happens to the spinning rust (1 APFS that Time Machine writes to, 1 ExFAT) and the SSDs (3). I bought Ejectify and I don't know if it is helping as much as it should. There doesn't seem much to do to configure it. After enough time coming back after sleep and clearing error messages, the external HDDs icons are gone and I can't find them in Finder and need to disconnect/reconnect their USB connection to bring them back. There is probably something else I could do, but I haven't discovered that yet. I just did that a few minutes ago to move some files over and now TM is backing up again. I can see the gaps in the list of backups.
I have 2 1M2 externals now, 1 40 and 1 80. Given what I see is happening with memory/storage prices due to AI data center demands, I decided to pull the trigger on a WD SN850X 8T SSD. That went into the 1M2 80 and the 1M2 40 has a Samsung 9100 2T. The SN850X is the dedicated Games drive, maybe more later. The 9100 is the primary working drive (Handbrake), leaving the internal for O/S and software installs.
2) I need to find out if there is something else I need to do to install non-App store packages. Most are happy, but a few become uninstalled? on reboot and I need to reinstall. I look at the launchpad and there is a question mark for VLC, Gimp and Brave. But Brave is working OK, it just takes a bunch more time whenever it fires up.
3) Occasionally the TS5 stops sending a monitor signal. It has happened twice, no recovery after waking up Mac for monitor #3. Under System Settings | Display there are only 2 monitors available. Is there any way to tell the TS5 to redisplay without a power cycle? I tried unplugging/plugging but no effect. It isn't noticeably hot, so I don't think its the monitor blanking when overheating issue I see reported for the TS5. Going to RTFM and check the TS5 thread(s) here. That monitor is using a DP cable and a DP mini to Tbolt adapter.
EDIT: Bingo. There is a 64.1 firmware update for the TS5 (for monitor and USB stability), mine is currently on 62.1. I'll do this after work today.
Overall I have successfully migrated anything I did on the PC to the Mac, with a couple minor, games related exceptions. I am working on finding out how to do that.