I tried both a couple of times at the start of the year when looking for a new bass. The Euro was great, and very tempting, but the NS was beautiful in every way!
To me, I wouldn't measure it as 'is this twice as good', but it just felt like pure and total quality. If I could have stretched to the (secondhand) price tag I'd have bitten someones arm off for it, but then I really appreciate things of great quality in life.