Etch-A-Sketch is on point.
I thought I "knew" Pro Tools until I switched from music to post. I was operating around 10% as fast as the veterans around me. It's also a bit strange to go from mixing a 3 min song for 2 days with well recorded audio, to mixing a 43min TV show in 2 days with poorly recorded audio.
One thing that doubled my speed was assigning all of the tools (trim, grabber, etc..) to the buttons on a 6 button mouse. Save one button for delete and your left hand almost never needs to leave the left side of the keyboard...