I've had the Rotex Golds on my XF for about 6 months now. I love 'em. The brake dust is virtually gone and there's no brake squeal what-so-ever. I haven't noticed any difference in how the car stops either. I'm sold. I'll never run anything else. If you're still running the stock XF pads, get out and change them. There's nothing like washing your car and still having clean wheels 2 weeks later.