Prototyping vs. Photoshop design

Couple of articles this week about doing your design in code instead of Photoshop. I'm thinking it would be cool to have a Photoshop-like drag-and-drop prototyping tool, of course, as part of Sproggler.

First was a post about the Quora design process, no less. This was followed up by an article by Chris Teso elaborating on why he agrees. Using the neologism "devigners". ...

Anyway, it's a good idea. And while I'm on the topic of design, a slight link dump: improving a specific design, a step-by-step case study.