Hide all palettes fast. Except your toolbox!
Everyone knows that tapping the Tab key is the quick way to temporarily hide all open palettes in Adobe Photoshop, InDesign or Illustrator. But press Shift+Tab instead and you can keep your Toolbox and Options bar, while the other palettes are hidden!
Source: This Photoshop tip from Brian Wood at eVolve computer training in Seattle remains one of my all-time favorites. It is one of those basic tips that even the most seasoned creative professional misses along the way.