I have both regulators in our dive school's equipment fleet and the Z2 is SUPERIOR in terms of performance. I'd get the Z2 with a sealed first stage.
I can't believe that the Z2 is less money than the MK2/R195 but I know that the price of the MK2/R195 has gotten much more expensive than it used to be to the point where it isn't a good value anymore at all. It is actually very close, or more, than the MK11/C370 in price. It just doesn't make sense to me at all. The only thing to explain the increased price is perhaps SP wants to drive people away from the MK2/R195 to the MK11/C370 by increasing the price of the MK2/R195.
I can't believe that the Z2 is less money than the MK2/R195 but I know that the price of the MK2/R195 has gotten much more expensive than it used to be to the point where it isn't a good value anymore at all. It is actually very close, or more, than the MK11/C370 in price. It just doesn't make sense to me at all. The only thing to explain the increased price is perhaps SP wants to drive people away from the MK2/R195 to the MK11/C370 by increasing the price of the MK2/R195.