These in my opinion are the top Wordpress plugins! Enjoy!
*All in One SEO Pack
*Google XML Sitemaps
*Yet Another Related Posts Plugin
*WP-SpamFree
*Robots Meta
*Redirection
*FeedBurner FeedSmith
*Contact Form 7
*AddToAny: Share/Bookmark/Email Button
*Wordpress Automatic Upgrade
*WordPress Database Backup