"An update is available that improves the compatibility and reliability of Windows Vista"
August 7th, 2007
"An update is available that improves the performance and reliability of Windows Vista"
August 8th, 2007
These updates have improved the Vista experience for many people. Some of the most noticeable improvements are the increased file copying and moving speed.
The only reported down side so far: The ability to use unsigned drivers under 64-bit Vista has been removed.