Do you see or had observed any significant benefits, getting listed with Yahoo paid directory for something like $299.00? How did it benefit the quality of your links, page ranks and any implicit or explicit benefits, you can recall?

We are a relatively new social networking site, trying to create a web destination where sensible and intelligent networking happens. Our free and social web applications are an effort in this direction. Do you think getting listed with Yahoo paid dir. would help, in whatsoever way to build traffic, improve page ranks and getting the word out?