Looks like there will be AM4 RoG ITX coming...
http://overclock3d.net/articles/cpu_mainboard/asus_am4_crosshair_vi_impact_pictured/1
http://overclock3d.net/articles/cpu_mainboard/asus_am4_crosshair_vi_impact_pictured/1
), unless there's some limitation to the IGP. That's the only thing I do question though - the existing FX chips don't have IGP, and why would Asus make an Impact board for an APU? Will Zen FX have IGP?