Additionally, I think it would be good idea to observe the use of "will" in this post.
The speaker, Red5, obviously has a plan for the forum. However, Red5 is using "will" instead of "be going to" because he is making an announcement. Also, "will" is used because the speaker, Red5, feels certain about what is to take place - 100% certain prediction.
Take a look at the sentences with "will". Which sentences might be certain predictions and which sentences might be announcements for plans? What do you think?
http://www.usingenglish.com/forum/news-announcements/8001-forthcoming-forum-upgrade.html