Opinions on A/M battery cart?

[ToddF]

We're getting started on summer projects, and one is a new battery cart. Before we start designing a new one from scratch, are there any opinions on the quality of the AndyMark battery cart? It's listed at $310, and for that price, we'd buy one rather than spending valuable development time designing and building another one. But, only if it's of quality construction. The one comment on the AM website talks of it being tippy, but we can solve that problem. Any photos of one in the wild? Is the sheet metal substantial, or flimsy? Is it powder coated?

I'm very leery of purchasing a product where the vendor only posts CAD screenshots. That's usually an indication that no one would buy the product if the vendor posted a photo of the actual product.