It's a complex integration of multiple apps, some completely custom/in-house, over many months. It's not something that we can provide to a third party and we don't perform customization services.
If you want multiple forums to share the same db, the trick is pointing each forum to the same database but changing the templateset for each and creating a separate "settings" table for each (and renaming the settings table for each forum, and changing the SQL queries in vbulletin to those settings tables).
hardware
prices 
), but I can say that PhotoPost and derivatives of its code-base servs as the intermediate layer that drives most of the HTML operations. I believe extensions to vBulletin back in the day served as the original motivating factor for creating the custom dynamic content engine that powers TIMO. All an all, TechIMO and its sister sites are quite coding intensive, much more than most any other site that I know of today.
