One of my WoW guildies said W8 will get you into games much faster, but after that it'll run about the same.
I have raids this weekend so I can't afford to have to reinstall and reconfigure everything, I'll probably upgrade next Wednesday.
Diablo III North America Glacea#1307
Ragnarok Online 2 Nimera Assassin/Artisan
La Tale RitiRoo Treasure Hunter
League of Legends Queen Nimera, Level 15
Animal Crossing: New Leaf 4511 - 0825 - 1589 (Please message me or something if you add me to 3DS)