What I say on submit my blog
Visibility can not replace good work ethic and craftsmanship, but it can make that great work shine for more people. A submit blog directory is all about getting that visibility for your blog and your ideas, getting it out to the people who can get the most out of it. No need to jump right in to the first submit blog directory you find though. Shop around directories and check out how they stack up and compare. Is the directory mostly offering gimmicky incentives to make up for the fact that not many people go through that directory? Also take a look around at who else is using that submit blog directory, if your blog is surrounded by low quality, that reflects on you.