I tried the Remarkable 2 for a month but ended up returning it and ordering the Supernote A5X instead – I couldn't be happier! Its main advantages (IMO):
- The Supernote acts as a regular USB mass storage device, so syncing files (w/o resorting to the cloud) is not as hard as with the RM2 (which serves a really buggy web interface over USB, pretending to be an ethernet device). Sure, the RM2 gives you SSH access but that doesn't help much because it's using a shitty proprietary file system, so you can't just scp your documents but need to convert them first.
- The Supernote comes with much better PDF reading and annotation capabilities. (The RM2 has pretty much none.)
- The Supernote's soft non-glass surface is more comfortable for long writing sessions – writing on it feels like writing with a gel pen. Plus you'll never need to replace your pen tips as they're made from ceramic.
- The Supernote A5X is running Android instead of a barebones Linux system, meaning that it comes with more features out of the box and it'll be much easier to extend it in the future when Ratta opens up their platform. (Sure, you can "hack" your RM2 but the chances that the next official update will then completely brick your device are rather high – /r/RemarkableTablet/ is full of these stories.)
- The company behind the Supernote actually values the community's input, see https://www.reddit.com/r/Supernote