The cheapest option is to do it manually. Try to find publications and editors that you can submit your release to.You can do this by looking into magazines and by searching the web. Or you can use a press agent or officer. You can also access a wire agency.
you may try their service www.send2press.com/. I feel their service quite not bad and it worth while they charges is not expensive. Because i personally found out that submit PR is quite troublesome and waste of time.
Thanks for sharing,I was looking for a good PR service too. and if you know how to imvrove PR, you can hlep me.ok
Nothing like best PR service. Just find one that distributes your press release to top paid PR sites..
Nice list of press releases. For free you can use many free options given in the options, but paid services are giving links and provide larger circulation for your business.