Don't be fooled by the word Metabo. Its just a Hitachi. Metabo HPT means Metabo Hitachi Power Tools. Metabo's actual miter saw is made in China anyways too, when it comes to saws Metabo usually goes with chinese rebrands.
Plenty of black friday deals to be had. You'll find miter saws from dewalt and ridgid likely to go on sale. If you're looking for a stand, there will likely be package deals of saw + stand as there usually are, dewalt especially does that. The one you linked is a 10 inch, and you said you need a 12 inch so it doesn't work anyways?
You said you need to step up from the harbor freight. Where is it failing you, or what do you expect to get more out of another low end saw that the harbor freight isn't doing for you? I wouldn't just throw money at another cheap saw and hope its better than the harbor freight.