Putting my hands on them Thursday they felt a little brittle. One vendor had a broken one on display and said it was broke during shipping. Overall I'm sure they'll sell very well, however keep with the originals whenever possible. Nice originals were selling around $1,000 and complete refurbished grilles were about $1,500.
Also, rumors were a few fitment issues will need to be addresses before they can be brought to market. Overall it's fantastic that Metro is trying to fill a much needed void in our hobby, but I do not think it will affect the originals as much as I originally thought.