To kibble or not to kibble!!
The following articles really put into perspective the limitations of feeding dry kibble to your dogs, and the problems that this can cause. And a further article on best to worst, so that even if you are not quite ready to move straight to raw there are steps you can take in the right direction...
http://healthypets.mercola.com/sites/healthypets/archive/2011/05/19/the-mainstream-pet-communitys-new-take-on-cat-and-dog-foods.aspx
http://www.dogsnaturallymagazine.com/grain-free-dog-foods-solving-yeast-and-skin-issues/

http://healthypets.mercola.com/sites/healthypets/archive/2010/07/21/13-pet-foods-ranked-from-great-to-disastrous.aspx