the only thing that can give your site more value in the eyes of the SE's is content, the more content you have and the better it is, the more the SE's will visit and like you
if you want the best content, write it yourself
there are many options for parsing xml/rss, one of which is free,
www.rss2html.com
you can also start a blog with wordpress and use something like feedwordpress
www.cozyacademy.com is a really good place to read and learn