Here are some Hand on impressions and a video from Anandtech:
http://www.anandtech.com/show/6564/hands-on-with-nvidias-project-shield-
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.