There is a new beta for the windows update , I must say this is a nice improvement better overview and new options
Now Standard Users can install Updates. < and this beta works on windows 7 ;-) >
Get it on the connect site.
There is an new option Who can install Updates !
This option is enabled by default in Windows 7. It is disabled by default in Windows Vista to preserve the allowed functionality that administrators expect non-administrators to have.
As a result of these improvements, preliminary data suggests an overall 95% reduction in UAC prompts when using Windows Update.
The New Screens off Windows update
Improved error hubs
Many of the Windows Update error hubs have been improved to provide users with a clear action they can take to help solve the problem that occurred.
Action Center integration (Windows 7-only)
Unable to check for updates
Notification appears if unable to check for updates for 32+ days:
Launch a scan by clicking the notification, or the button in Action Center:
Upcoming auto-install
Action Center reminds users about scheduled update installations, so they can save their work in advance and avoid losing their data.
Robert Smit MVP Blog 