The N10 is still relevant. But I think you will get equal sound quality from a N200. The N200 and N250 have been significant advances.
I own an N20SE and N100. I have heard the N10... there was an upgrade to the power supply a couple years before it was discontinued that made the later ones sound better than the earlier ones. I have also heard the N20.
I have also heard the Rose... definitely the sound quality is better with Aurender and you get the most recent Conductor app to control it which is highly regarded.