This will be a blood bath – and for us mere Affiliates the margin is just to tight to make this worth the long term investment.
Also with the smart converting operators now able to enter the listing, I would like to hear/see anyone competing on the top key words.
IMHO – longtail terms are hyped to such a point, and are to dry in terms of traffic, that folly to anyone that believes that they can sustain on this traffic source alone.