Internet marketing tools?internet marketing ezine

Question for internet marketing ezine by john: Internet marketing tools?
Do all those blasters/submitters (classifieds, ezine, blog, message boards, article,safelists etc) really work?
Has anyone had any good experience with them? Over the last week I was just about to buy some of them but something stopped me right before making the payment. Something that told me to do a little research about them before buying. And to my surprise most of them were scams or pieces of software that were spamming the above mentioned websites (safelists, classifieds, blogs aso)
If anyone knows any such marketing tool (blaster/submitter) that it's returning them good results without spamming, please do

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