Modules to enhance Views

All these modules require Views.

Views Bulk Operations (http://drupal.org/project/views_bulk_operations)

Exposes new Views style 'Bulk Operations' for selecting multiple nodes and performing actions on them.

Three different approaches to displaying views with/in individual nodes:

Views attach (http://drupal.org/project/views_attach)

Provides new Views display types that can be attached to nodes or users.

Viewfield (http://drupal.org/project/viewfield)

Requires CCK.
Defines a field type that displays the contents of a view in a node.

Insert View (http://drupal.org/project/insert_view)

Currently only a dev version available.
Input filter which allows to embed views in general text (e.g., Body, etc.).