Article Submission is most important in SEO submission activity because it provide quality links and contextual links, we get the link from authenticate and trusted websites like ezines, articlesbase, buzzle and etc., moreover we can put 3 anchor links in one article in turn we get 3 links from one particular article web directory, added google loves article directories so it will cache your article as soon as it will be published on article directory. There are several auto softwares available but manual article submission is much more recommended because software is just a programme which run on a predefined path but on the other hand while doing manual submission you can change/alter the submission as per requirement.

With manual submission , you can submit your article in a proper category. manual submission is always better that automated submission.

Hi,
The manual article submission is more effective than automated submission.You can check the complete submission detail and you also check the all field.

Yes,I am agree that Article submission is very useful to generate traffic.But if we right this article on same category and with good keyword density.