I own a few vBulletin forums, one of which is a Big-Board community, and for the longest time I have not had the similar threads option turned on, partly due to load issues on older servers. (look at the bottom of this thread page for example if you are not familiar with what there are) Does anyone know if it helps a forum with indexing and rank in Google and the other SE's by having these as internal links or something else when these are turned on? Thanks, David