I have used both methods. For quick and speedy dado cuts, I use the TS. These are usually dado cuts that aren't needing to be too precise. However, when I'm in need of such precision dado's, I'm with Bj on this one. A router does an excellent job.
I am NOT saying one is better than the other, only pointing out that in my experience using both methods, they each have their uses for me. Only YOU can decide which is best for you.
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