Refurbished iPod nano 8GB (5th generation)
Holds up to 8 hours of video
Holds up to 2,000 songs
Up to 24 hours of music playback
Up to 5 hours of video playback
3.6 x 1.5 x 0.24 inches
Comes with a years warranty, new case and battery. My neighbour got one and it looks like new.
Note that they tend to be in the store in the morning and go quite quickly but more appear the next morning.
Watch out for fakes from china on sale cheaper on the http://www.ipodnano-sales.info/