The User Interface is the Application
I totally agree with this=
Archived entries for Uncategorized
For iPhone wireframing
It is pretty impressive-
physical stencil kit for iPhone and website would be really helpful for quick wireframing of UI designers 
http://www.uistencils.com/
The admirable presentation secrets of Steve Jobs-
SIMPLICITY, EXPERIENCE, ENTERTAIN, EMOTIONAL, DREAM
http://www.businessweek.com/smallbiz/content/oct2009/sb2009106_706829.htm