I want to wrote something from me, so here it is. 10 things that I do after installing new WordPress blog.

1. Change permalinks to better format (for example /%year%/%monthnum%/%day%/%postname%/).
2. Install SEO Title Tag and setup it with keywords.
3. Change RSS to Feedburner with Feedburner Feed Replacement plugin.
4. Install Google Sitemaps plugin.
5. Install all small SEO WordPress plugins, for example: Head META Description, Add Meta Keyword Tag.
6. Create good and clean static archive page, i use for example SRG Clean Archives.
7. Create contact form, there are many plugins for that.
8. Install Tags, Ultimate Tag Warrior plugin, one and only !
9. Akismet to fight with spam, maybe also something more.
10. I update services list with new ones.

… and much much more … maybe next time ? …

As you can see most of the setup things are releated to SEO, more or less but still !