Great guide: http://www.seomoz.org/beginners.php FAQ: http://www.seofaq.net Checklist: http://www.jimwestergren.com/my-guide-to-seo-and-success/
Just Google Brad Callen's SEO Made Easy....or search the forum for it. http://forums.digitalpoint.com/showthread.php?t=34811 Excellent primer into the world of SEO.
If you don't mind investing into some SEO literature, then you might want to give Aaron Wall's SEO Book a glance. Perhaps a little pricey but it's great material for helping to get your business off the ground. seobook.com/ (And no, I don't work for the guy).
Jim's suggested quick read on seomoz.org is very good. http://www.seomoz.org/beginners.php It takes the mystery out of the quest and makes some valuable suggestions on se optimization based on long term quality vs. quantity philosophies.