PHP Code:
Has a scrollbar -----------------------------------------------------------------------------------> 
Code:
Doesn't have a scrollbar -------------------------------------------------------------------------->
Which is a shame because everyone uses the code tags and as you can see, the page occasionally requires a scroll. I personally find it more convienient when the code block has the bar.

I don't know if vBulletin's source can be edited, though I'd imagine it's PHP, but it'd be nice if anyone knew a way to fiddle around with the tags functionality so the code tag would work the same as the PHP tag.