Some one know if this makes any diffrense Preferred domain

https://www.google.com/webmasters

You have Preferred domain

and this choise

If www.bangkoksexy.com and bangkoksexy.com point to the same site, you can tell us here how you want URLs to display in our index.


x Display URLs as www.bangkoksexy.com (for both www.bangkoksexy.com and bangkoksexy.com)

x Display URLs as bangkoksexy.com (for both www.bangkoksexy.com and bangkoksexy.com)

x Don't set an association.

Does it matter what do i pick for higher PR rating?

 

it doesn't matter as far as i know

 

Ok anybody else have a clue?