Inside Windows 7 User Account Control Check out Mark's latest TechNet Magazine article where he goes inside the changes in Windows 7's implementation of UAC, including the two new UAC modes and how certain Windows images are automatically elevated to administrative rights in the default mode.
VMMap v2.0: VMMap now breaks out information on memory used by the .NET CLR, enabling detailed memory analysis of managed applications. ClockRes v2.0: This update to Clockres, a system utility that reports the frequency of the system clock, now shows the upper and lower resolution of the system clock.