Here are some free press release submission sites - http://www.webmaster-elements.com/submit-press-releases.htm
Hello I have a list of press release for submission. please try this one. I think this is enough for PR submission. http://www.prlog.org/ http://www.sanepr.com/ http://www.i-newswire.com/ http://www.free-press-release.com/ http://www.techprspider.com/ http://www.seenation.com/ http://www.pressreleasepoint.com/ http://www.ideamarketers.com/ http://www.pressreleasecirculation.com/ http://www.freepressrelease.com.au/ http://www.postafreepressrelease.com/ http://www.myfreepr.com/ http://www.clickshappen.com/ http://www.information-online.com/ http://eprintwire.org/ http://www.newdesignworld.com/ Cheers