A great day to discuss design and branding: http://www.duffypov.com/duffy-article/4760/crowd-source-design-critique Even if this WAS posted on Dec. 30.
I was unaware of any backlash against the new Starbucks logo, but this is a great article: http://www.graphicology.com/blog/2011/1/13/324-branding-should-have-a-backbone.html Besides, all they did was remove the circle-filled-with-text. How controversial can that be? Also, I think the new Comedy Central logo kicks serious ass.
Not sure how well-researched this is but . . . http://www.psfk.com/wp-content/uploads/2010/12/How-Colors-Affect-Purchase-Decisions-Infographic.jpg