Here is a great example of making your visitors feel like they have found something special from: popurls. Click on the thumbnail to view full image:

So, what are the lessons for your startup?

1. Making someone feel special, smart, “in the know”, or that they found “the real deal” goes far
2. A personalized message goes even further
3. It made me want to blog about it
4. That may give you a better impression of it
5. Enough of an impression to perhaps to check it out

So, what is your startup doing to produce the same reaction?