I use Freddy Fenders Hard Core on both my bikes. No experience with the SKS fenders, but the only problem I have with the Freddy's are clearance issues in the snow, and that's a frame issue, not a fender issue.
__________________
"There is no greater wonder than the way the face and character of a woman fit so perfectly in a man's mind, and stay there, and he could never tell you why. It just seems it was the thing he most wanted." Robert Louis Stevenson