When you want to not update your motherboard when you get a new CPU i wounld say get the ASRock FX990 extreme 9.
When you want to get it with the FX 8150 or 8350 and you dont want update your cpu the next time after buying get the ASRock 970 extreme 3 Rev.2 its good enugh and its real good for overclocking, SLI, Crosfire, Sound and have USB3 front 20 pin. (But only Rev. 2)