I was on a vendor site and noticed Treet blades on sale. I have used the "Black Beauties" and like them. A fine 2 shave blade for me. But they also had ones call Treet "New Steel" and Treet "Silver". Anyone know anything about these? Are they a new model or just renamed blades? Going to be using them in the upcoming days and will report back. Thanks in advance and enjoy those shaves.