Some Kickstarter stats:
Established publishers, pledge levels and project duration:
http://boardgamegeek.com/blogpost/11960/kickstarter-qa-with-data-and-a-graph
Kickstarter’s biggest winners, by publisher:
http://boardgamegeek.com/blogpost/11967/kickstarter-analytics-biggest-winners-by-publisher
Most-funded game mechanics:
http://boardgamegeek.com/blogpost/11970/kickstarter-analytics-year-gains-and-game-mechanic