We purchased a Wenzel CMM in 2017 with a Renishaw Revo probing system. It was considered a Renishaw Retrofit even though the CMM and all the hardware was new.
All of our support comes from Renishaw. So far they've been very good at responding to issues/questions via their support email. And have a good response when we've needed them to come on site.
Very happy with the machine to date. Very reliable.
Hope this helps,
Ken