David Boschman has done a nice post on how to install IIS 7 in Windows Vista, with screenshots of the whole process.
The key pillars of the IIS 7 release are:
- Unified platform delivering a single, consistent developer and administrator model for Web solutions.
- Enhanced security and smaller, independent components to reduce attack surface.
- Flexible extensibility to enable customization and extension.
- Simplified problem resolution through powerful diagnostic and troubleshooting.
Read it at source.