I have owned this machine now since September, downloaded all my music on it plus downloads, all my photographs, good few movies, and audiobooks. Being on the move all the time I use my address book/contacts and diary, and have a alarm clock with me at all times. Love the album of the day feature and the radom ness of the random player. However you do have to buy a proper case for it, and the necessary loader as you do not alway have access to a computer. I have also bought a travelling speake system and a tv audio cable. If you buy the cradle beware that you still have to buy the mains loader it does not really say that on the creative site, only when you look it up properly.
Other than that the machine is Brilliant it froze once on me and that was my fault as I asked it to do something to quickly.
I have always movies with me or tv programmes if I have to stay somewhere, I love the audiobooks (love reading but simply do not have the time) and I have it with me at all times.
I could do without my mobile phone for a few days, I could not do without my zen. If you get used to the controlls, (I love them) you love this machine and the fm radio is a definately bonus for me. It is easier to use than most compeditors, loading and down loading is as easy. All and all for me its simply the best.