Sorry, I had the acronym wrong, it is WURFL
I am not trying to suggest that making a Responsive design is difficult. at the heart, you create different css settings that are used in response to different criteria.
Strait forward enough. The difficulty is offering all those options in a wizard interface.
The Dreamweaver Implementation of Responsive design is far from a Wizard.
jQuery is going to be included with eCart 6, and it will be updated in Data Bridge as well.