The one real durability signal in the data is not reassuring: two separate owners describe the eink glass as fragile, one with an actual crack after a few months of normal use in a laptop bag, the other with a string of near misses that made them wonder if their unit was unusually delicate. Neither reports a straightforward fix, since a cracked eink panel is not something you repair casually.
Beyond that, the long-term picture here is thin. Every theme in this sample has two accounts or fewer, which is not enough to say how the Note Air 3 holds up once the first year passes. What is here leans toward good marks on writing and stylus feel, and a real caution flag on screen durability, but none of it is backed by enough owners yet to call a verdict either way.