Traffic Generation for Link Directories

Besides link backs from registered sites and SEs any other sources for Link Directories?

 

Here are some ways to drive traffic to your link directory:

1. Add them to your forum signitures - If I see a directory in someones signiture I take a look and if I like it will submit my sites.

2. Post your directory to the Directory announcement section.

3. Get your directory listing in several directory lists.

 

if you want to pay, you could try adwords

 

What value does a link directory give to an end user? What features would a typical enduser want?