I have a Glacier 2GB and it works fine with my Win XP home PC. No need for drivers. When you plug it in a USB port, it automatically connects and appears as a flash drive. Then you can transfer music, video, etc...

By the way, to answer previous postings, why do you need a big screen if the only thing you want to do with your MP4 player is listen to MP3 music? As a matter of fact, why do you need an MP4 player? Go for a MP3 player with a small LCD screen. They're much cheaper.
A big screen MP4 player is useful if you want to view photos or videos. My two cents...