SimpleLabels Mod 1.7.10, 1.7.2 adds (currently) just one block to the game: The DSU Label. Attach it to any Deep Storage Unit (technically any IDeepStorageUnit, like a JABBA barrel!) and enjoy labelling goodness. Input items with right click, extract with left click, shift left click.

Download SimpleLabels Mod 1.7.10, 1.7.2