Search Engine OptimizationDiscussion about SEO Strategy, Search Engine Optimization steps, Website Layouts for Search Engine Optimization, Blogs impact on SEO Results ...
Feeds is of course one of the main criteria to help towards SEO. If you have feeds then this will help the bots or spiders to crawl your site better. This will mean site with feeds will most probably rank better than the other one without feeds.
I think that RSS importance comes mainly from the exposure you get. You'll get a lot of exposure from submitting your feeds. That will consequently increase your visitors and the more popular your site gets the more out outbound links you'll get.
Just my 0.02c.