Basically what this mod is a pop up windows that refreshes itself every 30 seconds and it would list all the new posts/topics made. Here is an example of what I'm talking about...
http://www.yougamers.com/remotecontrol/?tab=fmdiscussion (http://www.yougamers.com/remotecontrol/?tab=fmdiscussion)
Would be something that's like that, but would work for SMF
Is something like this possible to create?