I ordered them and I like them. They don't make a significant difference, but at the risk of sounding silly, they're squishy and feel nice. Order some for free, don't like them, give 'em away or something. You got nothing to lose.
My Games of 2011:
The Legend of Zelda: Skyward Sword
Elder Scrolls V: Skyrim
Super Mario 3D Land
Uncharted 3: Drake's Deception