A belated one? I wonder how Atari had fared if instead of trying different new architectures that didn't hold water, had decided early on to use the A8 chipset and put out the 5200 a full year earlier, perhaps even simultaneously with the VIC-20 (that pitched itself against the 2600).
Never played the 5200 much. We were always an Atari home computer family and never had any Atari consoles. The kids across the street did get it on year for Christmas and I really enjoyed that Football game they had for it. Was the best console football game to date inho.