Best of the blogs: Word that CEO Kevin Rollins has resigned his post as CEO of Dell and that Michael Dell is once again taking over as chief executive may not be as natural as the vendor would like everyone to believe. “This won’t fix Dell’s problems, and arguably they have gone the exact wrong course to fix them,” suggests Matt Asay in Rollins resigns (Business model, not a CEO problem). “The lesson for open source vendors should be clear. ‘Cheaper but crappier’ is a terrible business model for open source and proprietary companies.” And, yes, the Dell Dude is in this one.Columnist’s corner: While life has been relatively stable lately, David Margulius cautions that “we shouldn’t get lulled into false complacency,” and “we need to be on guard against potentially disruptive events.” That, of course, includes IT. A recent PricewaterhousCoopers survey determines that almost half of U.S. multinational corporations have been struck by a crisis over the past three years. “You’d think corporate America would be drilling and girding itself for future disruptions,” he writes in this week’s Enterprise Insight. But IT runs the middle ground, with approximately half of shops doing so, and that’s “not exactly a chorus of affirmation.” Video: IBM and Intel ratchet up their semiconductor manufacturing processes to speed the transition from 65-nanomemter chips to 45-nanometer. AMD gets into the game, too. Watch it here. The news beat: Microsoft ships SSL VPN software, dubbed IAG 2007, which gives remotes users access to Outlook and corporate applications when they are outside the firewall. California police arrest a software pirate who they claim raked in $750,000 from selling illegal copies of Adobe and Microsoft software, including SQL Server 2000 Enterprise. And the Dell’Oro Group publishes a report predicting that weak voice functionality will inhibit WiMax growth and, in turn, GSM will dominate for the next 5 years. Technology Industry