Although I have a huge desk (that can be a normal or standing one), it gets cluttered quickly. So, I went on Amazon.com, hoping to find shelves I could put on top of the monitors to get certain, extremely important items off my desk:
I am very impressed with the “[2 Pack] Monitor Top Shelf Mounts Stand TV Computer Monitor Office Desk Partition Storage Box Stand.” Not only do they accomplish exactly what I needed, their design is impressive and they are well-built.
(Cross-posted on my Nibbles Ninja blog.)