I know what an ND2 is, but what makes the NB/NC 2?

NB2: different front lights, different front bumper, different rear lights

NC2: different visuals (lights, front bumper) + lots of differences underneath: http://www.roadster.blog/2013/08/the-2009-roadsters-facelift.html

What are some interesting projects I can work on in Rust to get some familiarity with how the language works

My recommendation is always the same, regardless of the language:

https://adventofcode.com

(And here is some dogfood: I’ve created [email protected], so you can ask questions there and/or share your solutions)