Here's another hint, on the screen that comes up automatically when you plug in an iPod:
Guess which option above is the important one.
Yup, “Manage music manually” lets you change the iPod from an autosyncer to a manual “drag and drop” loader, as you desire.
Oh, and this isn’t new. That’s my *original* 5GB iPod, still in heavy use, still running its original battery.