I have a good computer and my conex is just 1mb, never lagged... and when i say never, is never! And i've played alot...
And about wow being 7years old... it means that the game has ALOT patches on it, its optimized to the end, and that the engine is also 7YEARS OLD, if not more... that means that the game runs smoothly on every computer... but this is like trying to run crysis on a p4! This game is new, the graphics are not super real but they take a decent computer to run... this is it!
And if you like Arenas, go play WoW, you won't find arenas in this game, just PvP.
Unless you're looking for laughs there's literally no point in posting here. He speaks for the majority ya know. However you and I are on the same page.