You'll be able to see the average timelag of a user from click to conversion, but more helpfully you'll also be able to see the keywords that "assisted" conversions (e.g.were not the last click but were still part of the user's path).
Webmasters the editorial process is highly selective and relies on chance; the timelag while you wait to get your site looked at Never could get my 45 RPM records site listed on Yahoo in four years of trying!
Google says that when it does major updates to its index each month, various partners such as Yahoo may lag a bit behind in tapping into the newer information. OK, here's a condensed list of all the new proposals:
ads .africa .agency .aids .air...