If the Notes clients icons would be over the hole icon instead of at the top left corner, and you would add some shading and glossy by it self to the image.
If the background of the workspace would be a high def image and the user could change it by them self.
The Notes Workspace would be a design the users would feel like something new and fresh like the IPhone but it will be the same old workspace.
Then the Icons and the background could look something like this, What a difference...