From the Apple website:
"Completely Remastered" - A thinner design. Five stylish colors. A brighter display. Up to 24 hours of battery life. Just about the only thing that hasn’t changed is the name. In 2GB, 4GB, and 8GB models starting at £99, iPod nano puts up to 2,000 songs in your pocket.
Your music says a lot about you. So should your iPod nano. A super-slim design says you always have room for music — up to 2,000 songs, in fact. Durable anodized aluminum says you won’t let the rough and tumble of everyday life ruin your groove. And one of five colors says whatever you want. Choose your hue and make a statement.The black Nano is the king of the bunch and comes in 8Gb only at £169.00 with all available and shipping within 24 hours.