I believe him, despite the potential for bias. A company with holdings and a total worth of $400 billion should be selling for more than $480 per.
If they move to complete the $60B buyback sooner, their shares will rise to Sept. 2012 levels.
In my opinion, the Surface Pro is horrible for school. You'd be lucky to make it through a full day of classes before the battery dies. Average battery life is 4.5-5 hours.