User blog comment:Johannah14/Maxing some Abilities/@comment-5038450-20130529042941

Well, as a Riven player, maxing Ki Burst early is always viable, imo.

It provides less overall damage than maxing Broken Wings, but it allows you to give out alot more instant burst in lane with a quick E into W.

It's really a matter of preferrence, and how much you want to trade in lane, imo.