With Matt Cutts recently announcing that Google will start punishing quick-fire guest posts in the upcoming algorithm updates, it has become tougher for content developers to rank better with sub-par content. There are no ways to game the system now and it is now level ground for all the online publishers. DA is another metric used to understand the performance of your website and it is considered important, as just like G, it is hard to influence that metric and it takes a lot of factors under consideration before calculating your DA score.
With even the dropping of updates to PageRank by G, Domain Authority would soon become one of the key metric to gauge the quality of your website, often needed by advertisers.
Platforms Which Deliver pr9 to pr8
Scribd And More
All Site Have a DA (Domain Authority) of 70-100 that are just waiting for you to put your link on.