I am looking for a forum to install on a site. While evaluating SMF, I noticed that it was using only 800 pixels of horizontal space on my 1024x768 resolution monitor.
Doesn't SMF ajust automatically to the resolution of the client's screen???
It depends on the theme you are using. The current default theme in downloads (called "Core") will fill the browser horizontally. Of course, it will leave some white space on the edges to help readibility (it is good to use whitespace).