"You need to log in to your Self Service area whenever your IP address changes (i.e. if you only configured your computer and you travel) so that your current IP is validated to your account. If you don’t do this, ads will start to reappear and region unlock will stop working!" -seems like it just registers the IP address when logging into their portal/page.

The Ryzen 1700 has 8/16 and much better performance compared to the mentioned Xeon E3. I think the Ryzen 5's would be the ones to look out for (still more cores and much less price), hope they push the power consumption even lower.