Interesting. The first link says (about the Monte Carlo Blue) that from around 1993, it was a ¥150,000 ($1,248.54 @ ¥120.14/USD) option, and that NSX owners consider it a popular color even amongst popular colors!
The Long Beach Pearl was a ¥500,000 ($4,161.81 @ ¥120.14/USD) option.
Monte Carlo truly is a beautiful color; the best NSX color I think. Even though I have yet to see one in real life.
I like to think so as well, come down to so cal