Istanbul 13" Xist hats

[JohnDrum]

I've been looking (in vain so far ) for a used K 13" top hi hat, so I can mix 'n match with the A custom I currently use paired with a Z bottom. I spent much of the last Saturday trying out various hi hat pairs, and the hot favourite was a used pair of 13" New beats...until a pair of Istanbul 13" Xist hats was thrown in to the mix....long story shortened: I left with them under my arm.

I can't really try them out on my kit until band rehearsal on Thursday, so I wondered if anyone's had any experience of these, or has any other comments? I'm aware that the sound I got in the shop will be totally different when they're played with the rest of my kit, but I was pleasantly surprised by their sound at all dynamic levels.
I've used Zildjian exclusively for the last 25 years, so this is uncharted territory for me....