"Common sense says that you make most of your volume changes (and there are a LOT with MP3's) in small increments, mostly between tracks"

Well, i haven't ever done that, and i reject the notion that it means i have no common sense Just about all the volume changes i make are large volume changes, turning it down when i slow down for a town, and turning it back up when i'm on the highway again. Or for turning it up real loud when my mood and situation dictates.