It's great! What else can I say?
I resisted getting a big iPod for ages, mainly on price grounds, but the Shuffles are a bargain! Not only can they store oodles of music, you can move data files around on 'em too! I've even managed to plug mine into *whispers* PCs, no problem, though it's a faff unmounting it in W**d**s 2000
Nice and light, slips into a pocket where the play controls are still easy to use through the fabric. My only slight moan is that the on switch is hard to manipulate, making it difficult to select shuffle or ordinary mode, and the headphones won't stay in my ears properly, though that may just be the design of my ears (Analogue-Cerebral 2 channel interface ver. 1.0)

rather than the 'phones. I may be tempted to go for Apple's in-ear ones instead.