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I would recommend ViewSonic VX2757 27" for gaming and Philips 276E7QDAB 27" for video editing.

What is so great about them?

The ViewSonic VX2757 27" for gaming because it has AMD FreeSync and has a higher refresh rate than normal monitors. The Philips 276E7QDAB 27" for video editing because it offers true-to-life colours.

Then I need the Phillips... do you know if I can look at it at any PC shop in Perth?

You can find the monitor at PLE or Austin Computers.

Thanks mate.