I had one issue goign from Queensdale to Kessex woudlnt let me in at first other than that
game ran awesome on my new system I had just finished putting together over weekend.
I was just a few bars shy of lvl 15 when started stress test yesterday played for about 2 hours of it and hit 16th I was all over map just doing stuff and exploring.
Had no problem's lvling i checked age of my Ranger and it was 12 hour of play time old at that point.