http://www.neogaf.com/forum/showthread.php?t=1346776

PREVIEWS
Engadget
Retronauts
Polygon
USGamer
NintendoLife
TIME
NintendoEverything
DualShockers
The Verge
PC Advisor
CNET
GameCentral
GameRevolution
DigitalChumps
What's Up Games

UNBOXINGS
IGN / Accessories / Pro Controller / Gallery with Switch images
Nintendo Europe Unboxing with Satoru Shibata
Eurogamer ft. Digital Foundry
GameInformer
NintendoEverything
GameXplain
PC Advisor
Polygon
GoNintendo
Arekkz Gaming
The Know/Roosterteeth
Kinda Funny Games

USER INTERFACE & Mii MAKER OVERVIEW
NintendoLife System Settings & UI / Mii Maker & amiibo Tour
GameXplain
Arekkz Gaming UI Walkthrough / User Profiles & Region Changing / Profile, Avatar & Mii Customization / How screenshots work / System start up
Nintendo Force: How to move Miis from Wii U to Switch