If you dual boot windows do you use windows 7 or 8?

My main OS is OS 10, but I have windows 7 on a dual boot for occasionally gaming and other windows specific things. Every time I go on windows this basically summarises how I feel.

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via s2.quickmeme.com

So i'm thinking about putting windows 8 on instead of windows 7. Is it worth the hassle and does it feel less poisony. I would post in microsoft tribe but they all seem to be die hard windows 8 fans, i've only used windows 8 for about 5 hours and didn't get a real feel for it.