need all info about the hks ignition amp

[imiitek]

im trying to get all the bits i can before i get car mapped  
their are only 2 more parts i need to sort out on car the ignition
and the injecters

as for the ignition ive heard good and bad points for the hks would like your opinions please  

few people told me to get the bosh coils that motec sell with their igniter\'s