I have a long riser with my 2B (made by Gary, I think), but there would be several who would like to extend the working head-space on their Centecs if previous threads are anything to go by.
The long version is definitely the favoured version if the space is available.
Mine has a VFD (220V output) running the power feed. I think the motor is still in star configuration, but it still seems to cope OK. I’ve yet to bother with the alternative gearing.