>>35571846
>What advantages does Metro have over the desktop?
Not him, but the entire environment is hardware-accelerated by DirectX. Everything runs super smooth @ 60FPS and pretty much zero perceptible lag.
The UI is resolution-independent, with little-to-no modification necessary for app developers.
>Metro on a 5K display
https://www.microsoft.com/global/en-us/news/publishingimages/ImageGallery/Images/Products/Windows/Windows8/AccessingSystemCommands_Print.jpg
>A Metro app running on a Retina MBP
http://lab.vente-privee.com/wordpress/wp-content/uploads/2012/11/La-redoute-recherche.png
Desktop mode is not as efficient at supporting high DPI setups.
http://images.anandtech.com/galleries/2116/200pct3.png
http://images.anandtech.com/galleries/2116/cs6.png