My favorite emulation is “Cubes” - it’s a very convenient tool for me.
For example, I mixed a song in headphones that had a lot of midrange instruments. When mixing in full-range mode, it can be very difficult to find space for the vocal in all that density. But “Cubes” immediately shows where the problem is.
This emulation is also very useful for checking the vocal tone in the upper midrange and cleaning up resonances.