A couple of thoughts....
Try going directly to your favourite forum, bypassing both the homepage and the forum summary. Since each forum has a 'hop to' to go elsewhere, you don't really need to transit either of those pages (see Bookmarking thread). For example to come straight here use the URL
http://www.pprune.org/cgibin/ultimat...ubb=forum&f=35 . If the forum numbers ever change it'll go pear-shaped, but that's unlikely.
Once here, right click the mouse to open a thread in a separate window. That way hitting the back button will not cause the previous page to reload (they all seem to have a pragma:no-cache metatag).