If you enjoy expressing your opinions and like being part of a community you should check out One80.com.
The site is a collection of forums on a variety of topics where users can get in touch with other people and share their thoughts and opinions. Some of the forums are open to everyone, for some, registration is a must. In any case, the service is free so you can enjoy speaking your mind and hopefully have a good time in the process. Users are free to say what they want on such varied subjects as sports, nightlife, fashion, relationships, music, books, politics, religion, and more. Pick the topic you want to rant about, head to the forum and make yourself heard. The discussions are endless and ever-changing so participate as often as you want, or if you feel like being quiet for a bit, just read what other people posted. 
