Good information. As far as from my experience i find Search engine submission, Directory submission , keyword generation are more useful in effective SEO Tips. I was doing both manual submission and automatic submission. Manual submission was not giving much result. But automatic submission showed me a huge difference in site traffic.
I got a Search Engine Visibility Tool from
http://www.Tucktail.com . This tool,
* Increased traffic to my website with higher rankings.
* Easy, one-click website submission to Google, Yahoo!, Bing, Ask, AOL and many more.
* Easy one click submission to over hundreds of directories.
* Improved search engine rankings with keyword and suggested topics tool
* Track progress with Top 10 SEO Checklist and ranking reports.
This tool is very simple to use. Resulting in more Visits and traffic to my website and an automatic increase in page rank.