That is for sure Roger, those front post on the dormer will carry much of the dormer weight directly to the top plate. I totally missed that at first glance. What is the speced size of the purlins, and span? and the plethora of other things usually called upon to answer such questions?

Try just coping this and paste into new window
http://www.flickr.com/photos/95237704@N04/8681315100/in/photostream/lightbox/