I'm certainly talking in terms of EQ. Also, I find it important to specify that embellishing voice (dialogue, VO, whichever) is a premixing duty. I usually stick with Pro Tools' RTAS EQ3 7-band EQ ...
I sometimes get sound effects turned over to me that have little to no skilled premixing done to them. And, I am expected to mix it within that day of receiving it (for a 2 minute trailer for ...