Stewart’s Filters Manager allows you to turn on and off filter calls made by WordPress plugins on an individual basis without editing plugin or source code. Activating this plugin will add a “Filters” option to your Options menu. (Was formerly WP Filters Manager.) Requires WP 1.5.1+

Stewart’s Single Page View gives you option to see the full text of paged posts on a single page when “?page=all” is called.