Yes, just put them on my S4 as well.
Considered the Pilot Super Sports but wanted something that worked in early / late season cold, freak snow etc.
Can't compare to the Super Sports having never driven them, but they are certainly better than the Pirelli's that came fitted to the car from the factory: sharper turn in, less tram-lining & quieter and smoother too. Plus the Pirelli's were done after < 40k km's of summer driving and these are rated to 80k km.