I sat down with Dell founder and CEO Michael Dell a year after shareholders approved his bid, backed by Silver Lake and others, to take the company private. Even without seeing Dell's quarterly numbers, it's clearly been a good year: The PC business turned around almost immediately after the transaction closed, led by Dell's core customer: businesses. We talked about the state of the PC business, whether he'll take Dell public again, and cloud start-up valuations.

On rumors that Dell is