PBD: Chalk and Fossil
Two of my favorite new wordless picturebooks are by Bill Thomson: Chalk and Fossil. He is a Professor of Illustration (what a cool job that must be) at the University of Hartford. His website is an excellent resource:
The illustrations for Chalk and Fossil look almost computer generated in their detail and saturated color palette. They are humorous stories that I am sure young boys would love (I do).