Four parts, no waiting: Now that it's been leaked to the masses, check out what makes Leopard so interesting. Tom Yager's four-part developer's-eye preview covers the major pieces of OS X 10.5. Click here to read all about it: Part I (Xray and Core Animation); Part II (Xcode 3.0 and Objective-C 2.0); Part III (Cocoa and object-oriented frameworks); and Part IV (64-bit support). Tortoise-speed Vista: Randall Kenn Four parts, no waiting: Now that it’s been leaked to the masses, check out what makes Leopard so interesting. Tom Yager’s four-part developer’s-eye preview covers the major pieces of OS X 10.5. Click here to read all about it: Part I (Xray and Core Animation); Part II (Xcode 3.0 and Objective-C 2.0); Part III (Cocoa and object-oriented frameworks); and Part IV (64-bit support). Tortoise-speed Vista: Randall Kennedy is working on a virtualization review, and he’s finding that Vista’s complexity is becoming even more of a performance issue when it comes to virtualization. What’s the cause? Kennedy has some theories, but still isn’t sure. Do you have an idea? Post to the Enterprise Desktop blog and share your own theories. Column round-up: Roger Grimes is still exploring the options for a second, more secure Internet; this week, he’s examining the network protocol changes required to trace packets from origin to recipient. Inspired by New York City, David Margulius takes a look at the roots of innovation and infrastructure in this week’s Enterprise Insight column. And Oliver Rist bemoans paperwork (especially when associated with reregistering a Ducati with the DMV) but likes System Center Capacity Planner (SCCP) 2007 Beta for creating planning paperwork on the fly. Technology Industry