Link Directory?

I was wondering what the best link directory is out there for vbulletin? and which one works best for SEO, thanks

I like phpLD

Does it incorporate into vbulletin?

actually,
yes
PHP Link Directory Forum
it's something David is still working on.
I have it installed on my board, here is an example of what can be done so far.
http://directory.vbulletinsetup.com/...rticle-40.html
That user is a user on my forum, and you can click the profile.

but you may be looking for something like GAR's by the vb geek.. They have a link directory mod that will display something like this.
vBulletin Setup Clients - vBulletin Setup