If you understand the principles behind website templates you will immediately see the huge benefits to WordPress template systems. Basically it is designed to hookup automated template ideas to a system via which a client who knows nothing about anything can access your site (behind password protection obviously) and update and manage the website that you leave him.
Groups and forums _ Although not as organized and pretty_looking as standard websites, these forums contain a lot of information and useful downloads as shared by their members. Most of these information and downloads are only available for those who sign up, so joining a group or two will be very helpful indeed. Not only that, but the social aspects of these groups or forums allow you to communicate with other members. You can also choose to search for certain groups or members with similar interests as yours.