In terms of sales, GoDaddy is six times the size of the Dallas Mavericks business, and ~20 times the size Broadcast.com was before the dotcom bust.
But my sense is Cuban could do it again. Parsons benefitted from timing and is likely more of a one trick pony.
Yes, a great and lucrative trick. But still one trick :)
Check out PXG.com
"In 1984, he founded Parsons Technology in Cedar Rapids, Iowa, and began selling MoneyCounts, a home accounting program. In late 1987, Parsons was able to quit his job and focus completely on selling and overseeing growth of MoneyCounts. Eventually, Parsons Technology grew to be a 1,000-employee, privately held company. On September 27, 1994, Parsons completed the sale of Parsons Technology to Intuit, Inc. for $64 million."