I talked to Frank Schoep. He is interested in getting feedback on these two pages :

https://wiki.ubuntu.com/Artwork/Spec...ropose/Results
During the Produce phase, we'll explore each of these three style and looks and decide on which ones are the most promising. I'll now describe each of the three styles and the looks.

https://wiki.ubuntu.com/UbuntuSounds

Once happy with the main opening theme, I'll create the other sounds to suit. Please off me your suggestions and comments

This will be a sticky for a few days. You can reply with feedback in this thread : http://www.ubuntuforums.org/showthread.php?p=1381529

Here's more information about the roadmap for Edgy :
https://wiki.ubuntu.com/Artwork/Specs/EdgyArtworkPlan

The artwork team defined this process for identifying and completing artwork specifications on time for release :
https://wiki.ubuntu.com/Artwork/Specs/ArtworkProcess