Item Selection

This pop-up screen, the Item Selection screen, was shown on a released picture during the PAX Prime (Aug 26th - 28th 2011). In the 1.8 Adventure Update you will be able to pick an unlimited amount of any Blocks or Items in the upcoming Creative Mode.

There are more of these photos here: http://www.minecraftforum.net/topic/578249-pax-party/

Trivia

 * Non-legitimately obtainable Blocks can be seen on the screen, such as Ice Blocks.
 * New Blocks and Items, such as Melons, Glass Panes, and possibly Stone Stairs, Brick Stairs and Vines can be seen.