Motul RBF600 fluid (no risk of it boiling), stainless steel brake lines, pads. (DS2500, Redstuff, Endless, Project Mu are all good stuff) 
  
Then if you want to do a little overkill, 2 piece disks. 
  
IMO the 4 pots Brembo calipers are plenty good for a few track days in a year.