We had a Stoves Sterling 110 put in just before Christmas last year.
Great bit of kit. My Mrs loves it, and she would tell me if she didn’t!!
It is stainless steel, but cleans up nicely no problems, not sure what the issue is.
It has two ovens, a separate grill, and a plate warmer/slow cooker oven. And 7 burners plus the griddle, which is actually really good.
We had a Rangemaster some years before, and that was top of our list, but the Stoves one pipped the Rangemaster equivalent for whatever reason, but it is every bit as good as our previous Rangemaster.
Best price we got was from Long Eaton Domestic Appliances.