Neat Video & Neat Image community

I regularly adjust the levels and saturation of my pics in photoshop. Which is more effective: to do NI before or after levels & saturation? Note---> 1. If adjust levels & sat in RAW, then NI is necessarily after that step in my workflow. But, scanned images come straight into PS so could be...

Hi, I use the Home+ edition, (8bit) and I sometimes get banding in stong blue skies. I'm guessing the banding would disappear and leave smooth grading if I process the image in 16 bit (ie. upgrade) is this right? But then, when I save the image as a JPG it converts back to 8 bit--- in this case woul...