Apple just relaunched its back to school offer in USA. US Student can get 229 USD back if purchasing a Mac and an iPod Touch. This new offer should soon be activated on the European Education Store.
In addition, the white macBook has been updated. It is now powered by a 2.13 GHz Core2Duo and sports a 160 GB 2.5" HD. currently available only in USA, this update should be added soon on the European Apple Store.
