I also like to state that if any teams want to establish a perpetual thread, go right ahead. Also, you can go ahead and make any sort of posts just for your team, but indicate in the subject line what team the post is for. I'm thinking here along the lines of what Ars Technica has done. Here is the example:
http://arstechnica.infopop.net/OpenT...62&f=122097561.