Once I put brake ducts in, my Centric blanks lasted 5 track weekends. Prior to that, I would be lucky to get 2 weekends out of them before warping.

 

I'm just a DE-1 guy but I run EBC Yellowstuff pads on the track and keep them on for DD. Lots of dust but they are not noisy. Probably not the best track pad but they spilt the difference between track and street pretty well.

I haven't done a search but it would be nice to have a DIY on a good, clean brake duct install.