Curiosity: Boss vs EzTrak

I'm just curious, what is the difference between the Boss series of
CNC machines based on Bridgeport iron and the Ez Trak series of CNC
machines based on Bridgeport iron? The later seem to be sold by
Bridgeport itself, but it sounds like the former were as well?

It seems variuos Boss models came with steppers or servos, while the
Ez Traks are as far as a I know all servo. Did they just start using
a new name for their new models at some point or is there some
substantial distinction?

Chris

--
Christopher C. Stratton, stratton@...
Instrument Maker, Horn Player & Engineer
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