It seems that people who own a CSA think it owns the CZ but the people who own both like the the real VZ the CZ better.
As of this point I can say without doubt that my CZ is a much much tougher weapon, based on finish and metals used. My CSA after 700rds is showing wear that is not on my CZ which has almost triple the round count.
Also the aftermarket parts fit the CZ with very little tinkering , but with the CSA I need to in one case remove a crap load of material and on another part it is just to small to even use.
Mags fit both perfect, CSA for $200 plus taxes more is not worth it. pound for pound the CZ is the clear winner thus far but it is ugly.
I have been tempted to interchange parts on the two (CZ guts CSA receiver) but have not had a clear answer if they will work or go kaboom.
sorry for the rant it's my beer time!!!