i have never use it. Its probably is if you have the money but for someone like who doesnt' have the money - 250.00 dollars just to get into their directory might not be the way for me. I have to it with other stuffs like Ask and MSn and other SEO stuffs.

Just my 2 cents
Oling

I've read somewhere before that getting listed in Yahoo will give more credibility to your site. I think this is more suited for those domains that you use for your own business to give your site more credibility