RSS feed submissions will surely help you in getting good volumes of traffic for free. Also this kind of traffic will convert well and will help you in a long run.
Here is a list of RSS Feed Directories to which you can submit your RSS Feeds for free.
http://feeds2read.net/Suggest-A-Feed
http://rss001.com/
http://www.feed24.com/?c=add
http://crayon.net/using/suggest.html
http://feedfury.com/submit
http://feedshark.brainbliss.com/
http://gnoos.com.au/submitFeed.jsp
http://newgie.com/contact_inquiry.asp?to=2
http://news-feeds.org/addfeedd.php
http://news.myspace.com/forms/submitfeed
http://ngoid.sourceforge.net/sub_rss.php
http://outpost-earth.com/join/
http://publisher.yahoo.com/rss_guide/submit.php
http://rssfeeds.com/suggest_wizzard.php
http://strategicboard.com/?s=h:addblog
http://swoogle.umbc.edu/index.php?option=com_swoogle_service&service=submit
http://technorati.com/ping/
http://www.allheadlinenews.com/corp/submitnews/submitnewsform.shtml
http://www.anse.de/rdfticker/addchannel.php
http://www.blogdigger.com/addFeedForm.jsp
http://www.blogoriffic.com/add_blog.php
http://www.daytimenews.com/submit-rss-feed.aspx
http://www.feedage.com/
http://www.feedbase.net/Add.php
http://www.feedbees.com/
http://www.feedcat.net/
http://www.feeddirectory.us/directory/submitrss.php
http://www.feedmap.net/BlogMap/submit.aspx
http://www.feedooyoo.com/ref.htm
http://www.feedplex.com/add-url.php?email=
http://www.feeds4all.com/NewFeed.aspx
http://www.feedsee.com/submit.html
http://www.feedsfarm.com/a.html
http://www.findrss.net/A55711/rsscatalog.nsf/submit?openForm
http://www.fybersearch.com/add-url.php
http://www.gabbr.com/
http://www.goldenfeed.com/AddFeed.aspx
http://www.icerocket.com/c?p=addblog
http://www.jordomedia.com/RSS/l_op=Addrss.html
http://www.millionrss.com/add-my-feed.php
http://www.mobispine.com/
http://www.moqvo.com/submit.html
http://www.myfeedz.com/
http://www.newsknowledge.com/products/suggest_new_source.html
http://www.newsnow.co.uk/contact/sources_add.html
http://www.octora.com/add_rss.php
http://www.plazoo.com/en/addrss.asp
http://www.postami.com/rss.finder/submit_feed.php
http://www.pressradar.com/suggest
http://www.search4rss.com/
http://9rules.com/about/feeds/
http://automotive-links.mustangv8.com/RSS-directory/
http://www.search4rss.com
http://www.rateitall.com/suggest.aspx?WL=0&TopicID=20004
http://www.readablog.com/AddFeed.aspx
http://www.redtram.com/pages/addsource/
http://www.rss-network.com/submitrss.php
http://www.rssbuffet.com/submit.php
http://www.rssmicro.com/#
http://www.rssmotron.com/feed_eater.php
http://www.sarthak.net/blogz/add.php
http://www.solarwarp.net/submitrss.php
http://www.sphere.com/feedback
http://www.xmeta.net/users/
http://www.zimbio.com/company/bloggers
http://free-rss.page2go2.com/rss-add.html
http://www.devasp.com/search/AddRSS.asp
http://www..com/products/suggest_new_source.html
http://www.newsgator.com/ngs/subscriber/Folksonomy.aspx
http://www.rssmicro.com/?m=fs#theForm
http://www.feedburner.com/fb/a/home
http://purerss.com/addfeed.php?catid=
http://design-feed.net/submit.html
http://www.feedage.com/submit.php
http://www.readburner.com/addfeed/ng
http://www.gabbr.com/submit/
http://www.rssfeeds.com/suggest_wizzard.php
http://www.rsshugger.com/register
http://www.medlogs.com/
http://itsmynews.com/
http://msn.com/
http://www.rssfeeddirectory.org
http://www.news-feeds.org/addfeed.php
http://www.2rss.com/index.php
http://4guysfromrolla.aspin.com/func/addres/rssreview/
userlist?rid=1427020&cob=4guysfromrolla
http://www.finance-investing.com/submitrss.php
http://www.feedboy.com/addfeed.html?catid=
http://www.feeds4all.com/AddRSS.aspx
http://www.feedza.com/submit
http://www.feedmailer.net/feedmanager
http://www.blo.gs
http://blogdigger.com/add.jsp
http://www.blogcensus.net/
http://chordata.info/suggest.php
http://reader.rocketinfo.com/desktop/AddRSSFeed.jsp
http://bulkfeeds.net/app/add
http://rssmountain.com/rss_directory.php
http://www.rssmotron.com/feed_submission.php
http://www.security-protection.net/submitrss.php
http://www.syndic8.com/suggest_start.php
http://www.tailrank.com/import
http://www.technorati.com/ping.html
http://www.topix.net/member/register
http://www.weblogalot.com/Ping/
http://www.wingee.com/