One big hurdle for VFX artists is keeping consistency between different environments, especially when using additive shading.
In this GDC talk, a Blizzard Tech Artist talks about a very simple shading method they use to control additive buildup and maintain readability. This would be a super-simple shading model, really nothing complex at all - but would help out VFX artists like myself a lot.
(Go to ‘Don’t Ruin The Experience’)