@indyank - Maybe, but i don't have sense of it's potential relevance.
@Tedster - So you don't share a hunch that Google is giving special treatment to some verticals.
Matt Cutts: If it is already a crowded space with entrenched players, consider focusing on a niche area initially, instead of going head to head with the existing leaders of the space. [stonetemple.com...]
I'm not sure about the context of these comments.
Googler's have often communicated that it's best to start with unique content and build it up, so i wonder if changing an existing large site in a crowded space is really hard work, despite the recovery example above.