For anyone still into them though, a Lamy EMR pen coupled with the Wacom felt pen nibs (pn ACK22213) is an incredible upgrade which makes it feel like a real fineliner. Similarly, I found the various titanium nibs that you can get off amazon made it feel like a real ballpoint [0].
[0]: https://reddit.com/r/RemarkableTablet/comments/1545mn9/excel...