As you have noticed, GameSpot Wide is now live. The forums, Unions and tournament pages have not been changed. Changes to these pages will happen in the near future. In the meantime, the community hub on the top navigation bar will take you to a list of favorite forums. Although if you haven't added any forums as your favorites, shame on you!
If you have any questions or feedback, please be sure to stop by the GameSpot Wide discussion board. Happy browsing!