For the E4/E4C owners out there: I know the 1G shuffle hisses like a beast with these phones (I have them both.) I've read that the 2G shuffle has a similar problem. How about other ipod models, using the stock headphone out?

I just upgraded to itunes5. I keep my music files sync'ed between work and home with rsync, and imagine my surprise when a bunch of files I ripped back in March started re-downloading, as if they'd changed. These are apple lossless files, encoded with iTunes 4.8. Looking at a hex dump...