We have site:A that covers 4 or 5 topics. We're building site:B that focuses on just one of the topics. What's the best way to name it? Buy a used domain name... with some PR. Use an old site domain name of ours, with PR, we're no longer using, changing registration info. We want Site:A and Site:B to both list for some of the same keyword phrases. Even though Site:B will be focused on same topic, it will offer it differently. Some similarities, but no duplicate content. We've decided to host site:B elsewhere. And we're removing any old links, so there will be no cross linking. Will Google know the sites are related anyways?