I just go from Premiere Pro and then to Speedgrade and then use denoiser in Premiere Pro.
I don’t go to After Effects anymore. I due believe that After Effects is faster, but Premiere isn’t that slow either. It just makes everything so much easier when doing it all in one program.
I’m usually happy denoising after my SG work, but I read that some people like to denoise beforehand which i will start experimenting with.
I just think it’s easier on my computer too when I denoise at the very end.
I’ve found myself using colorista a lot as well and use it to compliment my work in SG. Again keeping everything within Premiere still.