This article gives a list of best practices for working with unity: it covers the process, working with art and prefabs, class design, project structure, and many others.
via ZCool.com — #asia #ui-game #ui-elements
Unity3D Native UI System - Todd Rutherford
Learn the UI - Canvas - Unity 4.6 Beta
Using UI in unity3d
This is for you UNITY3D guys who want to program some custom shaders in HLSL
UI element anchored to the lower right corner of the parent. The element maintains a fixed offset to the lower right corner.