Tadeusz Szewczyk has written a good article on Blogscoped called 10 steps to success without SEO.
The main points covered are:
Discover your niche
Use Wordpress
Create a killer CSS design and submit it to CSS galleries
Allow trackbacks, use dofollow
Socialize, write comments and link other blogs
Include social media on your site, use social media yourself
Write your own content, say something [...]