What are the things, right now, standing between you buying more STEEM?

Lack of money, and lack of faith in a cooperating middle-class ever developing to the point where I can monetise my content better here than in The Real World^tm.

The only reasons I can think of to power up are to be nice to the people who post things I enjoy, and getting bigger upvotes because my wallet is larger. Both reasons don't stand up well against the risk of Steemit as a platform for rewarding content (which is why I came here) degenerating further towards a money-making venue for the big-walleted content-agnostic folk.

I think we are well past the point where it is realistic to think a content-centric middle class will develop. That said, I'd be over the moon if somebody proves me wrong, but until then, I'm not throwing real money at it.

And what @ats-david said as well.