Stebet wrote:
Vista for example RTMd on Nov 8th 2006 but wasn't launched until jan 30th 2007 and Scott Guthrie has said that Visual Studio 2008 will be available to MSDN subscribers for some time before launch-day.
IIRC server versions of windows have to pass through a big testing programme before release after being RTMed. It has to run for 21 days without a reboot in lots of different environments.
