This is for the 1984 300DT, which brand would you purchase and why?

I have the Bosch QuietCast pads on my SDL and I'm happy with them. If you need some light reading (HA!) go find my recent thread "Talk to me about brake pads" in this forum.

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Current stable:
1995 E320 149K (Nancy)
1983 500SL 120K (SLoL)

Black Sheep:
1985 524TD 167K (TotalDumpster™)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

This discussion is similar to an oil discussion. I have used both, the ATE has a nice anti corrosion coating on the rotors. I have recently replaced all 4 on my daughters ml 430, impressed at the value as they were fairly reasonable.

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1995 E300 (W124)
1999 ML430 (w163)
2011 GL350 (x164)
2016 Sprinter 144" 4X4 lowtop (906)
2004 E500 (W211) 4matic Wagon (Gold)
2004 E500 (W211) 4matic Wagon Avantgarde (silver)

I've had Bendix rotors on this car for a long time. They have proved to be near indestructible yet it is time to change them out. A certain website out there sells them in their "economy" section which makes me a bit nervous. I don't trust anything rated "economy".