By Rvo2 I'm assuming your talking about Silverstone's RVO2? That one is not better prices its 30 dollars higher than the haf 932...and has way less fans, in fact it looks like a hot box with 3 fans.
More fans /= more cooling.
The RV02 is the best aircooled case on the market. Period.
And i was talking compared to the HAF X, which is the second best air cooled case on the market.