I think that the thing you need to begin to utilize with any board you may find that is as popular as this one, is, make use of your user options and, as you go, make note of the users that provide quality, and those that don't.
Over time, those that don't you need to add to your list of blocked users, and you will no longer have to wade through all the meaningless postings, and you will just graudally weed out all the useless material and get right to the people that provide the meat and potatoes here.
You'll find the top reputations on the site provide superior, and deep and indepth quality that's unmatched anywhere. You lock in those top 75-100 members and you're good as gold.