Microsoft has released a patch for faster Visual Studio 2010 performance on Windows XP, Vista & 2003 platforms.
As you might know configuration settings for IIS 7 and above are stored in multiple XML configuration files (alike of ASP.NET), replacing the metabase store. The online reference for these config files are here (http://www.iis.net/ConfigReference). The reference can also be downloaded as .CHM files: 7.0 and 7.5