Vista's installation process is dramatically different to any previous version of Windows: rather than being an 'installer', the install DVD is actually a preinstalled copy of Windows that simply gets decompressed onto your PC. It is hardware agnostic so it can adjust to different systems, and you can also install your own apps into it so that your Vista install becomes a full system image install.
There's an interesting in-depth interview with a Microsoft Australia tech specialist here as well as a story that looks at some of the pros and cons of image-based installs here.
News source: APC Magazine
There's an interesting in-depth interview with a Microsoft Australia tech specialist here as well as a story that looks at some of the pros and cons of image-based installs here.

*camera zooms in on a door, with nametag 'Steve Ballmer'*
*the door opens, music gets louder, a lightning flash can be seen through the window*
[scary voice]And I shall call it... A Live-CD![/scary voice]
*music goes: Tataa! (Windows 'Tataa', for those who still remember it)*
*evil laughter*
Copyright © 2006 - Mathiasdm
*camera zooms in on a door, with nametag 'Steve Ballmer'*
*the door opens, music gets louder, a lightning flash can be seen through the window*
[scary voice]And I shall call it... A Live-CD![/scary voice]
*music goes: Tataa! (Windows 'Tataa', for those who still remember it)*
*evil laughter*
Copyright © 2006 - Mathiasdm
i lol'd
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