Originally Posted by Garyrae vBulletin is valid xHTML Transitional by default. So ideally your code should validate.

Looks like it is now, which is awesome. I haven't touched vBulletin in about a year; and then they were just making the transition to tableless on most of their templates. Guess I may have to renew my vBulletin license and try to score some work once I figure out what they've changed.