Audio (1535 programs)
Pros: Records directly from MPlayer or VLC. Schedule recordings feature.
Cons: Command line interface for scheduling. Doesn't work for recording YouTube.
Pros: Includes everything you need to create podcasts. Supports the most popular formats. Enables you to publish your podcast to the program's official site.
Cons: Some sound effects are louder than others. Read the program's documentation to get the most of it.
Pros: Allows DirectSound3D soundcards to work on Vista. Easy to install.
Cons: Doesn't work with all games yet.