Good monitor for gaming Under $450 AUD

Enderstream

Honorable
Oct 26, 2013
256
0
10,810
What's a good monitor for gaming for at or less than $450 AUD, I currently own an R9 390 so im capable at running games at around 144hz. Any good suggestions? I have not decided between 1440P or 144HZ monitor yet, What do you guys think?

AUD = USD $325
AUD = Pounds £214
AUD = CAD $434