This contains all-in-one 'principled' nodes for T2I, I2I, refining, and scaling. Additionally it has many tools for directly manipulating the color of latents, high res fix math, and scripted image post-processing.
https://github.com/Beinsezii/bsz-cui-extras
git clone https://github.com/Beinsezii/bsz-cui-extras
comfy node install bsz-cui-extras