"Next, I installed the next larger size on my computer. I decided to install them right on top of the hard plastic feet already installed onto the case from the factory, but there simply wasn't enough surface area to get them to stick properly. Therefore, I ended up . simply installing them right next to the OEM feet."
FULL STORY @ MONSTER-HARDWARE (http://www.monster-hardware.com/modules.php?name=Reviews&rop=showcontent&id=91)