Pizza oven 57cm

[scousejay]

Hi all. I've been looking at the weber pizza oven to put on my bbq as we love pizza and my weber. Just don't like the price. Ha. Is there anywhere that use know can get a ring like that made-up. Another question anybody used the pizza oven a d are they worth it or just a gimmick?
Hopefully you can help me.
Thanks Jay.