well the setups ive had are (so far)
stock discs and pads
stock discs and omp road and sport pads
omp drilled and grooved discs with omp road and sport pads
omp drilled and grooved discs with kevlar pads
the best were the stock discs and pads with the omp pads closely followed by the current setup which arnt fully bedded in yet but i changed to the drilled and grooved due to the discs going bright blue
the omp discs are cheaper than oem and when i had the secont setup (stock discs and oem pads) the car braked so hard that the rear became unweighted so i had to fit a lower front strut brace (omp) that doubles as a skid plate for the moment as the people from inters will confirm