Someone commented in a forum that submitting your sites to the search engines are not needed and it might even delay inclusion. According to him, just build some links instead and the search engines will automaticly find your site.
http://forums.seroundtable.com/showthread.php?t=4653
An SEO Monopoly can be compared to fishing. A traditional SEO campaign is equivalent to throwing one bait in the water and an SEO Monopoly campaign is more like throwing 10 baits, all in different locations.