The Windows Imaging Component (WIC) provides WIC-enabled applications to display, edit, and access metadata for any image format for which a WIC-compliant CODEC is installed.
This looks like it might be useful if you need to open or examine graphics files.
It appears that it also comes as part of .NET Framework 3.0.
Here’s a useful utility that can find unused code in your compiled .NET assemblies.
There’s a new trick to configuring the proxy information for Windows Update from within Vista. netsh is the new tool instead of proxycfg.