Quality links carry more SEO weight. What’s in your link quality? Links, esp. more quolity links results in higher search engine placement.

There are few types of high quality links.
High quality relevant links from main news sites.
DMOZ, Yahoo, other editorial catalogs.
Government, educational, librarian Web sites…
Websites like catalogs, forums, etc. (must be high relevant to your business).

Currently attribute “nofollow” works quite differently. PageRank divided equally among all the links on the page, but all links with “nofollow” get to PR at all. That means each of the links without attribute received smaller part of PageRank and links with “nofollow” attributes will not get anything! Your PR simply disappears from the page.

Finding the right domain name can be a problem sometime. That is why, sometimes think of a decent domain name, but even so it was free may be a considerable challenge.
Below are the 3popular domain name generators.
Domain Exposer
Easy to use and will help you choose from a large number of variations. Offers the greatest number of options with the selection of different parameters.
You start by selecting a keyword that describes your site, choose the subject, and finally you create a domain which you can choose.
Bust A Name
Service is interesting because it allows you to set some parameters of selection: two or three words, the use of suffixes and prefixes, hyphens, and multiple values of the specified words. The presence of these parameters allows you to find the maximum number of variations and choose the appropriate domain.
Domain Name Combination Checker
Select up to 5 words that describe the topic, introduce them in the form and click generation – the suggestions will be created in different text combinations. It will also display the registration status for all founded combinations.