Влияние имени домена

в Яндексе - не играет никакой роли, а вот в Гугле работает

Влияет! иногда очень сильно! эту тему перетирали очень много раз на многих форумах! самый сильный ответ здесь (правда в лом переводить)

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Try to use the words you think people will use when searching for your site, in the order you think they will be typed. Two word phrases are very competitive. Three word phrases are better.

The advantage of doing this is that people usually use your domain name as anchor text of links to your site (unless you especifically request something different). Since search engines highly value link anchor text you will get a boost if you use your selected keywords in your domain.

At the same time, don't create a long and convoluted domain name (for example, more than three words). Search engines are not the only way people will find your site, and it is better to make your domain easy to remember.

The following article offers some interesting perspectives on the subject:

http://www.search-marketing.info/newsletter/articles/domain-name.htm

Hope this helps.

Mario Sanchez

http://www.theinternetdigest.net

Internet Marketing Tips for Small Business

это ветка - поисковиков Рунета :) а здесь доменное имя не влияет... действительно, перетирали немеряное количество раз...