Regarding the Virtual Console stuff, it would be nice if they would recognize that you already have (for example) Super Mario World on the Wii U and just give you a license for it on the Switch, but considering they don't do that between the Wii U and 3DS right now... it's probably not likely. Going forward, that might not be an issue if they just keep the system architecture for the Switch so everything you bought on Switch 1 still works on Switch 4 (or whatever), but we'll see.
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New pair of reports:
1. The dock increases performance by including a bit more cooling/airflow and not needing to rely on a battery since it would be plugged in. So there's no extra processing power in the dock, it just allows the main Switch unit to use it's full power without worrying about overheating or battery life. Also connects to the dock via USB-C. They may sell the docks separately later on so you could put one next to every TV in your house and move the Switch between them at will.
http://letsplayvideogames.com/2016/...increases-performance-not-via-extra-hardware/
2. Dark Souls 3 is running on the Switch and From Software is happy with the level of performance. They are considering releasing all 3 Dark Souls games with all DLC included.
http://letsplayvideogames.com/2016/...-from-software-considering-trilogy-rerelease/