If you are looking for a domain name for your startup, why not pick one that already has existing page rank? If you can, why not piggy back on SEO done by someo

If you are looking for a domain name for your startup, why not pick one that already has existing page rank? If you can, why not piggy back on SEO done by someone else. This is a list of existing domains with high page rank that can be bought off from various auctions. What do you guys think?