For the Rc 440s you do not need a resistor box.
and btw like arnel said:
Hondata P28 Chipped ECU (OBD2B) = $375
Hondata S200b= $445
440cc injectors= $276
Hondata base map= $50
= $1146
This whole set up is teh way to go, thats what I am running
Yo check out this doods
http://www.wiredspeed.com/