SEO Top 10 Check List

There are a lot of activities that seem to fall under SEO, which of those activities are your top 10 must do SEO activities for a business that is just starting out?

# Make sure your page titles optimized for search – start with primary and move to longtail (e.g. Honda Prelude vs. cars). Check out Hittail and log file analyzer – great free tools.
# Optimize internal link structrure and use Nofollow to boost positions and kick start new nice and longtail phrases – called link sculpting.
# Start with link juice (like about us) and spill over primary key words through to secondary ones.
# Use external linking wisely – link to top sites. Definitely link back if you have a link from a top site.
# Write your content with a LSI (latent semantic indexing) and LSA (Latent Semantic analysis) focus to plan for future tech. Use social bookmarking, forums and blogs.

Didn't get your list spoonfed to you on Sitepoint after the thread was closed because they're cracking down on lazy thoughtless posting, so you're asking here instead? You're asking on a few other forums I note.

Google it or post your top ten so we can actually discuss them and compare them to ours. Here's some search results to help you.