As interesting as the hardware is here, it's the improved services that really appeal; chromecast support in photos, family accounts in music and syncing chromecast audio.
Google originally shared:
Two new Nexus phones, Chromecast updates, the Pixel C tablet, and Android Marshmallow coming to a device near you. See all the news from today → http://goo.gl/klbhET.
via Stuart Cummings - Google+ Posts http://stu.gs/1YMUC1z