What is the difference between the Torus at $6495 and the Pulsar at $7750? These prices are both for stepper axis motors. The tables appear to be the same size, and the Pulsar has larger travels by 1" X and 1/2" Y and 1/4" Z. Both of them have servo spindles that can do rigid tapping. The main thing I've heard about the Pulsar is the improved chip handling, but this appears to be a function of the optional stand and not in the mill itself. So what does the extra $1255 buy for me other than slightly larger travels?