Website to learn from:
WordPress Codex – The mother ship. The Codex can educate you on everything built into WordPress
WP Beginner’s tips and reviews on 100’s of WordPress features and add-ons! Not just for beginners!
WPTavern – news from the WordPress World
WP101 (paid site but has a few free basic videos)
WordPress.TV – Talks from WordCamps all around the world!