You will find it worthwhile to get sets of several different blades, even if they are the same style to try
Some customers found that a genuine Gator did not work for them but the Gator copy , Copper head did.
You also have to realize that the air flow dynamics under a 2 blade deck are nothing like those under a single blade deck .
When doing a comparison it is best to do them on a weekly swap basis as again the clippings from lush spring growth are totally different from the clippings high summer which are again different to the clippings late fall
People who bag are well aware of this