creating master image

im currently trying to create a company wide master image, but running into a small problem.
I installed the OS on the image pc, applied all XP updates, connected to the domain, installed all neccessary programs, created the image, went to new pc, installed the image successfully…

but the problem is the computer name, the image brings the computer name over from the old pc to the new pc. and renaming the pc, screws up the connections to the domain permantely, im i doing something wrong, if so what to do?