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I noticed that one of them is suffering severe artifacts.
I used PSE colour brush to make it obvious :o

I spotted it on my laptop with the screen off the optimum viewing angle, as the extra contrast showed up the lines. Then when I went in an edited the screen capture in PSE it leapt out at me.

I've noticed the main banner underneath, all the tabs with names on them Reviews, Shop, Share and Learn have huge spaces in between them, this has only happened over the past two days since the techos where working on something. It looks terrible on my screen. If you move the right bar of the windows to the left it closes up the space eventually but I then end up with a 2/3 wide borwser window.

The spacing is weird for me too, but I use Firefox instead of IE.

It's the same on both browsers.