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I got the blue one. It's a nice case and the buttons have very nice feedback. The only problem is that the case fits loose, not so bad where it will fall off but there is a wiggle.
 
I just got my iPhone 5 today and I had bought a grey Pixelskin HD for it. No fitment issues for me; its snug and is a perfect fit, at least in my case. And it's fine with the Belkin Iris screen protector I put on too
 
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