Since then, I didn't check until today, the 20th. Yesterday, however, I posted a long blog post, well researched and well written (including a review from a third party) with quality content about this keyword--a totally white hat and valid blog post with honestly good quality content. I posted a link to it today on two forums that are totally relevant to this subject and at least one person tweeted the link.
Today I come up #90 for this keyword when using one Google user and #125 using another one.
Any idea what might have happened????