Hello @artemus_5. I have an N100H, but have not heard the X100L. If you don’t need huge storage capability I definitely recommend the N100H over X100L, mostly because the N100H has a Linear Power Supply. The X100L has a Switch Mode Power Supply, which probably won’t sound as good.
As for quirks, the units like to be shut down nicely.
I really like the Conductor app to control them. Good luck!