I wouldn't be using this type of player as an "archive" for my entire music collection -- I have other players for that. I would merely be using it as a highly portable, pocketable "delivery system" for music on the go. And since I would be the one selecting songs to be dragged and dropped onto the player, I would know what I was listening to ... thus, no screen, album art, VU meters, snapshots, TV shows, etc. would be required.
For me (other people's mileage may vary), since I don't download music but instead rip music from CDs and keep it in my PC, and since I play in "random" or "shuffle" mode more often than any other, a player like this is fine for many purposes. If I want to listen to new music or old favorites at work, if I want to carry around a highly portable player "just in case," or if I want to lend a player that is relatively replaceable to a friend, a 1GB player with no screen has its good points. (I do doubt that I would have a player like this or the iPod Shuffles as an only player ... and I wouldn't want a 4GB or greater player without a screen.)
I took the bait and ordered one today -- we'll see (hear) how it goes.