What the best CAM software for CNC plasma cutting?

I am in the process of build a CNC plasma cutter, I will be using
Mach2 for the machine control. I am looking for sugestions on a CAM
program that wont break the bank. I have been told their is CAM
programs just for plasma cutting. I only plan on using this machine
for doing some hobby and craft progects, and maby a custom job ever
now and then.

Any help on this subject would be of great help.

Thanks
Bert