アップル、MacBookとMacBook Proをモデルチェンジ
http://pc.watch.impress.co.jp/docs/2008/0227/apple.htm
http://japanese.engadget.com/2008/02/26/macbook-macbook-pro/
http://japan.cnet.com/news/tech/story/0,2000056025,20368236,00.htm
http://www.kodawarisan.com/k2008_01/archives/2008/02/aa_macbookaaaac_1.html
http://www.gizmodo.jp/2008/02/macbookapple.html