Getting traffic.

nothing comes free

the one you already thought about are fine, the only secret is using them the right way.

 

You just need to submit your site to those social bookmarking sites. Also you may want to submit your site to directories.

 

Blog comment posting, forum signatures are most helps to you.

 

You can try Yahoo groups, online classified, social media, link building with relevant websites, these are helps to getting traffic.

 

Focus on SEO. Search engines are bringing lot of traffic specially google.

 

Yes RSS feed is helps to increase the traffic.

 

Build the content and the traffic will follow. If you write enough unique content, build quality backlinks and work on your SEO, then I'm pretty sure your website will explode.

 

I think submit site to SE is waste of time, SE's are automatically crawl sites.

 

i think social networking is the best technique getting more traffic

 

You can also use e-mail to promote your site.