I have 2 Provari's a normal and a mini.
On my Normal I have a DID, rocking a 1.2 ohm coil and pushing 4.0 volts, nice solid vape.
On my Mini I have a ZAP, running a 1.4 ohm coil and 4.4 volts, again great vape.
Out of the two of them, I prefer the ZAP, mainly for aesthetics as both of them...