Even the pengruin is tip his hat to the Apple.
At this stage, what's good for Mac is good for Linux -- any move toward making Web-based apps "browser agnostic," to use the term in the article, opens up possibilities for Linux, other *ixen, PDAs, cell phones, and new stuff like gOS.
Virtualization on the desktop is great, but server-level virtualization has been around for quite a while -- Citrix, for example. Running a virtual machine on a Citrix server and the client on a Mac is a great solution for Mac or Linux users who only occasionally need to use Windows -- it's easier and cheaper to support than Windows on each desktop, and folks love their Macs.