One of the most important things to remember before you start submitting your newly-built website is how search engines' spiders/robots works.
The second thing to remember is that Search Engine Visibility is not about merely obtaining high positions in search search results. Rather, Search Engine Visibility is about designing, writing, and creating a web site primarily for your site's visitors and helping them find what they are looking for when searching the various directories and seach engine websites.
Many website owners consider SEO as an afterthought. If you are about to create a new site or redesign an existing one, understanding how search engines work, how your target audience searches, and how best to design your site from the outset can save your company time and money...
Search Engine Visibility written by Shari Thurow, Published by New Riders. (ISBN: 0-7357-1256-5) brings the above elements to light in a clear and easy to read format.
You can also check out Shari Thurow's Search Engines Visibility companion site for the book.
I would highly-recommend reading this book. Not only will it help you produce better SE results, it will provide you with more insight on developing with standards.