Viper's Lair has posted a review on the Ratpadz mouse pad
The edges have been improved, according to the specifications. I never tried the first revision of the pad, but I know that despite being cardboard thick, the fUNC got uncomfortable after long usage. Anyone who has those marks on their wrists/palms when resting on the edge of a table knows what I'm talking about. The Ratpadz is also more comfortable since the surface is higher than the 3M and fUNC. Resting my hand on my mouse felt more natural with the Ratpadz. I never thought mouse pads made much difference for ergonomics, but it does.Read more