We've used a similar corner shelving unit to create space in a small 7 by 9 ft room. It's a great, easy shelving solution for small spaces (although installing it was a bit tricky as the walls weren't plumb.
Small room idea Wandering on Wheels 2 - It's like the bed is on a mini deck with storage cabinets + drawers beneath. Better than plastic bed risers + plastic bins! Do I spy an open pet door in the side of the steps?