These are the plugins I am currently using on my site.

• Akismet
• Admin Theme Preview
• Breadcrumb Navigation XT
• Community Cloud
• Custom Query String Reloaded
• Dunstan-style Error Page
• Exec-PHP
• Ext JS Admin Menu 
• Google Blog Search Preview
• Gravatar
• LiveJournal Crossposter
• Maintenance Mode
• MultiColumn Links
• MyDashboard
• PXS Mail Form
• Plugins Used Plugin
• Quote Comment
• Reinvigorate
• Search Unleashed
• Subscribe To Comments
• Smart Archives
• Show Top Commentators
• Sideblog Wordpress Plugin
• WP-Stats
• WP Audioscrobbler 
• WP Movie Ratings
• WP Grins
• WordPress Database Backup
• WP lightbox JS
• WP Movie Ratings