You have used SENuke before? Hmmm!!! Though I am not a fan of any monthly subscription tool including SEnuke, but if you have used SENuke before, it would have been easy for you to know what GSA can do. Secondly, if SEnuke did not give you a good result, I will advice you to go back and learn seo because GSA will also give you a bad result. The point I am making to you now is that your problem is your knowledge of seo and not tool. You can get the whole tools in the world, but if you do not know what you are doing, you are still gonna come back here asking whether Magic submitter or Ultimate Demon are worth buying.