I have had my Kettleman since the summer of 2018.  Overall it is a pretty fine grill.  I have used it for burgers, chicken breast, beer can chicken and even ribs.  Low and slow takes some figuring out but it has worked out pretty well.  While the think the tru-infrared grill grates are a good idea, they are IMPOSSIBLE clean despite using all manner of products.  Plus I am on grates # because the first grill grates rusted.  All in all its a good solid grill that gets the job done - just wish they'd improve the grates a bit.