Hi Sonicland.
The new NS neck is in fact a shorter version of the hugely popular N2 neck with adjustable truss rod. While some folks like Ed, prefer the slightly lower profile N1 neck, most folks find the new N2 neck more comfortable, so it has been outselling the N1 by a good margin. Choosing the N2 shape for the new 12-Fret was what we in the business call a no brainer.