How To Make Floating Corner Shelves - A Beautiful Mess -> this would be great next to desk in small room if I got rid of the speakers. Could put broadband stuff on a shelf?
For even more storage, consider hanging shelves up high that run the length of the room. You won't loose any floor real estate at all, and you'll gain a lot of storage space. Design Dozen: 12 Clever Space-Saving Solutions for Small Bedrooms