Friends, I just wanted to share some good news and thank you all for your support. One of the domains that I am responsible for (Lindisima) has been a leader in a niche (Spanish speaking women) and it was no surprise to see that we got sitelinks a few years ago (see results here). This morning we are seeing sitelinks for our #2 website (MyNippon). You can see the results here. How did we do it? Since these two are about 8 year old websites with many quality links and great content, I think that may be the reason. My boss has done a blog post with more details. Contrary to what one might expect, PR is probably less of an issue since they both have only 4 PR. So may advice to you will be to just keep building a website with great content and as you get natural links, sitelinks will follow.