Hashrates using the silentarmy v2 kernel:

R9 Fury X @1050/500 - 35-40 Sol/s
R9 290 & 390 @ 1060/1500 - 32-34 Sol/s
R9 280x @ 957/1200 - 28-32 Sol/s

Overall I'm really happy with the performance, but fixing the stability so it doesn't crash every time would make it even better