This is the cheapest I can find at the moment.
Personal music player with capacity for up to 1,750 songs or 10 hours video
Watch the latest films or TV shows on large 3.5-inch, multi-touch operated screen
Surf the web, send email, update your social networks and view maps over Wi-Fi
Browse, buy and play over 75,000 games and original applications from the iTunes store
Explore new Genius Mixes, Nike + synching and many other new features