Hello @Normis
Sorry to say this has being talked about very long time ago, not just this week.
Skeptical messages about how the new one will handle the speed as well as the older one RG750Gr3, such as this threads:
http://forum.mikrotik.com/t/hex-refresh-e50ug-router-for-gigabit-internet/180511/8
http://forum.mikrotik.com/t/internet-speed/182962/7
http://forum.mikrotik.com/t/hex-refresh-download-speed/182770/19