Thanks for the info!
Mostly went with CD6 since it seemed like the best I could buy that was readily available - for VM drives that shouldn't be that heavily written to.
Seemed to beat consumer drives, have PLP, and decently large sizes - I bought two from wiredzone, 7.68TB for $1161 each.
I have one 1.6tb p5800x on order from shopblt, but I've been waiting for a month for that one (right now have a 905p optane as my boot).
Current plan is Optane for boot, CD6-s for VM's, backup to spinning disks.
Right now this is with a 5950x, but will be switching to a 3995wx threadripper pro shortly.
I'm not doing anything that would conventionally be considered resource intensive, I just really hate waiting for computers, and having even tiny bits of latency.
My workstation will often end up with 600+ chrome tabs open across 4 4k monitors, high refresh rate, adding a 5th shortly. At least some of the web browser tabs (trading charts) I'll run via RDP/remote app off a second PC to balance out some of the resource utilization.