I have used nine of the blades. I would rank 7 O'Clock Super Platinum blacks from India as the top blades. but they are more expensive that most of the others. The SP blacks are one of the sharpest blades available (after the initial shave) and are very smooth.
Of the normal priced blades, Nacets are one of my favorites.
Of the normal priced blades, Nacets are one of my favorites.