Free Directory

I have three new blogs that are struggling to be indexed and cached in google. I so want them to be searched on google in order to get a PR someday. That is important because how will advertisers give me offers if my blogs aren't known or exposed to the internet? A free directory submission would be a good idea but I doubt if I can do that any sooner because I am struggling and suffering here for not being able to get a good night sleep. However, I may submit my blogs to these free directories while on vacation when the time is right and when I am fully recovered.