Best of the blogs: Getting changes made can be nearly impossible, no question about it. And, as Sean McCown points out, the more important the remodeling, the harder it is. He does, however, present some advice in Riding the winds of change about hanging off the skirts of disaster and taking up arms in the form of data. From the Test Center: Today, a developer’s-eye view of Leopard, part IV, in which Tom Yager looks at 64-bit Darwin, Dashcode, Time Machine and Ruby on Rails. Now, Yager is a professed Mac proponent and, accordingly, has high expectations. “Once you use Leopard, you will get hooked on the strengths that Leopard headliners such as Core Animation and Time Machine bring to your applications and their users. Leopard will spawn ideas for creative solutions that wouldn’t have occurred to you for any prior release of OS X.” Read the full review. Notes from the field: Robert X. Cringely once again offers up the geek in review, which reflects on the week that was. Robots presiding over a marriage, the end of Office ’03, Gateway’s fashionably late appearance at the battery recall party, to name just a few. Cringe even tries his hand at a search engine joke. The news beat: Cisco pushes IronPort smarts to firewalls, or at least it will be come Monday when the acquisition officially closes. The ITC denies Qualcomm’s request to stay the ban on importing chips and cell phones into the U.S. And extradited copyright infringer Hew Raymond Griffiths gets a 51-month prison sentence. Careers