So far I've had a replacement master cylinder fitted by Jonesy at the last work shop day along with stainless braided front hoses, (must ask from what model

EBC HH pads
Jonesy also supplied a refurbished set of brake calipers, however the offside front disk is warped and so I need a new set by Saturday's MOT


Can anyone recommend some replacements?
Links appreciated
Also what's the best upgrade for the useless rear setup?
Cheers
Styler4077