I went with:
Front: 203MM XT RT-M800-L Centerlock Rotor and F203P/PM Adaptor/ J040 Metal Pads.
Rear 203 MM RT-EM600 Center Lock Rotor with steps Magnet/F203P/PM Adaptor/J040 Metal Pads.
Left stock F/R ,(2 piston BR-M6100.), Calipers on for now.
Rear IceTech Centerlock with Steps Magnet...