ASUS Miracast Dongle http://www.asus.com/Tablet_Mobile_Accessories/ASUS_Miracast_Dongle/ ---------------- Asus challenges Chromecast with Miracast Dongle Asus challenges Chromecast with Miracast Dongle - The Tech Report
Sounds like it's already off to a disappointing start if it's only compatible with certain ASUS devices, and if it's going to cost in the $100 range.