Following some of the other review suggestions, I bought the set and installed one plate on my table saw and one on my radial arm saw.  Between adding a link belt and the stabilizer to my table saw, I now have virtually no vibration in the table saw.  With the radial arm saw being direct drive there was less noticeable difference for vibration, but the saw cut is beautiful.  I especially like the 3.5" size of these plates in that they take away very little cutting depth from my 10" saws.  I would recommend them as a simple and inexpensive way to upgrade the quality of your saws.