I am looking for different brake pads for my Rex for the sole reason of decreasing/eliminating the brake dust that coats the wheels. Mazdaspeed offers performance brake pads ($335) but the only information they have on them is that they are 'B spec' pads, no information on ceramic content (the more ceramic, the better).

So, the question is this: Has anyone bought and installed the Mazdaspeed brake pads and if so, is there a reduction in the amount of brake dust accumulating on the wheels?

 

I'll get back to you on that in about 10k miles

try vividracing.com they have some pads

 

Thanks to Jay for pointing me in the right direction, I will be ordering new pads from www.porterfield-brakes.com

Front RX-8 R4-S $129.00
Rear AP 900 R4-S $69.00
Good for the street and the auto X

Front RX-8 R-4 $159.00
Rear AP 900 R-4 $99.00
For the HPDE (nasa) events

Raybestos Front RX-8 ST 43 $199.00
Raybestos AP 900 ST 43 $159.00
Optimum stopping full race pad.

I'll be buying the the R4-S
From PF:
R4-S High Performance Street and Autocross
For high performance and heavy-duty street conditions. Perfect for prolonged everyday street use while also being capable of tolerating the most severe street use without any fade. Rotor friendly of course. The R4-S friction level will give you an impressive increase in stopping ability with very minimum pedal effort. R4-S compound has the absolute lowest noise and dust levels, far below OEM equipment or any other high performance brake material. Good for autocrossing, some drivers schools, solo events, and rally’s. The R4-S compound is available for virtually any vehicle sold in the US. We also offer the R4-S in pad sizes for competition type calipers that are used under street driven conditions.