Platinum XL-U ... might be "overkill" but I want one.
For that coverage, most people opt for multiple fixtures. Whether that's due to their budget, time or constraints, I don't know. Even the new stuff doesn't really cover that well outside of it's own footprint, it's a lot better than it used to be.
Look for 2X 300W panels, or 4X 150w, or however you want to come up with about 600W of actual draw from the plug.