Time is money when it comes to programming. Anything over the most basic 2.5D work and your going to want something with more grunt. Honestly, if your doing serious CAM work, spending $600-800 on the processor alone isn't unwarranted. If your dropping serious money on your mastercam seat, spend a couple grand on a good workstation computer - desktop seriously preferred. The desktop hardware is significantly stronger as the engineers don't care about power consumption and heat, just raw power.
If your just after something to view your files in front of the machines, those laptops will do. But realistically, those are jokes compared to proper workstations.