If have just uploaded my review of the Merrell Road Glove. I really like this shoe and think it has suffered from being in the shadow of the highly successful Trail Glove. If you are mostly running on road this is definitely the better shoe for you of the two.
Apart from having a lighter more breathable upper it also has a very different sole. As you would expect the Road Glove has less distinct lugs for providing grip in slippery conditions. But more importantly the sole is flat whereas the Trail Glove sole has a quite pronounced curve to it. This makes the Road Glove much more stable on a flat surface.
To see more about this barefoot running shoe click Merrell Road Glove.