iRiver started to ship the cute Mickey Mouse MPlayer music player in Korea.

Update:
iRiver MPlayer available on eBay.

The MPlayer has the shape of the head of Disney's Mickey Mouse. The sphere ears are used to change volume and skip songs. The iRiver MPlayer measures 30mm in diameter and sports 1GB of storage. The cute DAP weighs only 18g.

It does not have a display and competes in the Apple iPod shuffle segment.
Supported music file formats of the MPlayer are MP3, WMA and ASF.
iRiver offers black, white, silver, pink and blue as color choices for the MPlayer.
The MPlayer sells for about $60 in South Korea. If there are plans to release the MPlayer outside of Korea is not known at this point. See several hi-res photos of the MPlayer here.
Via the Korean iRiver site.