Just drop in into whatever sub-forum you want. Feel like talking about current events? Go to the Congregation of the Masses. Have a preference in art? Take a look at Smeargle's Studio. Want to join Wi-Fi? Go to the Wi-Fi area. Want to get Shoddy/competitive teams rated to be better? Try out the Rate My Team zone. Lastly, there's Stark Mountain for all-purpose Pokemon competitive talk.