Ordered Impact Monitors around Thanksgiving. They were up front about the likely delayed delivery of grills (and I'd read about some complaints, here). So, I didn't bug the Tekton folks. Received the grills about a week or so ago. They were well-packed and arrived ok. As the speakers did, they still smelled like fresh paint.
Someone on another thread mentioned the awkward fit/appearance of the squared grills over the rounded edges and corners of the boxes. I concur, but not really a big deal on these, all things considered.
I also concur that these sound better without the grills attached. The difference isn't huge and doesn't render them unlistenable, but more noticeable than grills/no-grills on some other speakers.