It got already mentioned above that your thread title is a fine search target. Why not simply try it like this?
https://www.elektronauts.com/search?q=octatrack%20worth%20it
The “Octatrack at year 8” thread from last year seems fine. Nothing new comparing to an OT got released since then. So every comment there is still “up-to-date”.
Bonus link (if you are not completely sure of the differences between Mk1 and Mk2):