I think windows are nice if you have done some modding. In my case (oh yeah see that double meaning there :P) i have done exactly that. sleeved cables, matching color sheme, watercooling etc.
500 hours played is always a milestone for me when it comes to online game.
If i really spend so much time playing a game it get at least a 9/10 from me.
If you consider overclocking i would recomend the MSI Z77A GD 55. It is in the same price range as the ASRock Fatal1ty Z77 Performance and you will have better overclocking results. Especially if you dont know much about overclocking the mainboard has a build in OC Genie 2 funktion. You set your pc ...