It's been revised every now & then and I feel it's a pretty near complete guide set out to speed up vbulletin as intended. For the most part, there simply isn't much more to add to it
http://gtmetrix.com/reports/www.vide...t.com/fokotAjK
I think a pagescore of 98 is about as close as it'll get when it comes to dealing with vbulletin. You can always throw in suggestions of course though.