http://blogs.msdn.com/b/e7/archive/2008/11/19/disk-space http://blogs.msdn.com/b/e7/archive/2008/11/19/disk-space. "Windows Vista with SP1 installs almost 1GB

http://blogs.msdn.com/b/e7/archive/2008/11/19/disk-space http://blogs.msdn.com/b/e7/archive/2008/11/19/disk-space. "Windows Vista with SP1 installs almost 1GB of drivers on the system to support plug and play of devices" Iirc there was a follow up on how much they removed of this for win 7 but I can't find it now.