What are the best of the best? Currently Im with Google Adwords and am probably also going to sign up with Search Feed.

Have you dealt with any you would like to recommend? Or maybe even condemn?

Google Adwords:
Good and very affordable, $5 activation fee. The tools are also very handy, I can see if I convert a click to a customer/subscriber etc. and even check by which keyword he found me.

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www.corollaonline.com

I've heard good things about Kanoodle.

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Hattiesburg Forums

I dont think you can go wrong with google adwords. I believe you can even change your keywords as your campain progress to maximize your results.

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Final Fantasy