Few other options...
I guess it depends what are your main requirements from the software as to what your best option may be. Having said that I've noticed these solutions to become less and less useful over time as Google is constantly evolving its algorithm. There are no quick wins with SEO, try and provide useful content and make sure you get all the fundamentals right.
Having said that, there are a few options. I've been using Market Samurai (sorry I can't post links yet) for the past few months with great results, it's a great way of very quickly evaluating different niches and how competitive they are, as well as coming up with keyword ideas.
Keyword research tool allows to search for adult keywords, ties straight into the AdWords API.
Hope that helps, Good luck!
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