Reply to Ni Audio kontrol 1 or Saffire 6?

I want to buy audio interface, I came up with two audio interfaces that I believe they are the best in their price range. NI audio kontrol 1 and Saffire 6 usb. I don't care much about mice things. I am much into electronic music I don
t play guitar or any of these stuff .I need audio interface that offers good sound quality and low latency . So which of them better in these things? I am on PC.Please help.