I didn't ask you to prove anything, hope you do fulfill your directory dream, just remember at some point to stop talking and start doing, il get busy myself if your going to be a competitor. None of those links in my sig are mine, so please dont sabotage or mess with any of those peoples sites, they are all rented by other people. My sites, i have 4 directories, blogs, other misc sites, will i show you? will i f**k, i dont trust you, like you dont trust me. I used to place my own sites in my sig but became somewhat cautious and paranoid over how easy it is to affect my sites, i have no proof but anything that was in my sig is damaged, anything that wasn't is fine. A little humour regarding recent talk of being unique.
I think link bidding directories are very good. Items that you should look for in a link bidding directory are PR, traffic and if the site is unique with lots of content.
I like them so much I even started one up here: Outbid Links.com However I would like to see a couple more functions in the script like public reviews / star ratings from public along with the current SERP's Deep linking options also offer more in the way of a classified or yellowpage style ad for the submitter. Quality: yes, a factor. I have admin moderation if needed but have it off at the moment. Overture (now Yahoo PPC) in the old days used this method, nothing like the way Google is. In the end it's all about the buck and budget to a end user. Free sites can drop your links at any time they please while having a paid link has some and most assurance