click here 512 MB and cheaper than the Slimbox. GF has one of these and they are excellent. Personally I have listened to many MP3 players and there is not a lot of difference in the sound. You tend to pay a lot extra for barely noticeable differences. Plastic or metal is irrelevant as it is unlikely that anyone will be doing a clog dance on them. I bought one for the car from the same company and as with the pendisk, it was delivered in 36 hours.