Andrew Price's excellent discussion 'Fixing Blender – Part 1: Why It’s Broken' broke all records - 275 comments and counting! Today he presents the second part of his analysis of the Blender user interface.
Update: Here's the survey Andrew is mentioning.
The second installment to the improving Blender series...
This video dives into the usability principles of Feedback, Error Recovery, Simplicity and Goals.
A full Interface Proposal will follow in two weeks :)
The community discussion so far has been very respectful, please keep it that way!