You should go buy it!
But seriously, folks. This isn't just one of the finest games in the Ys franchise, it's one of the best action RPGs you'll ever play.
Also, if this does well(which it seems to already be doing!), it will smash the gates for future Japanese and doujin games on Steam.
That's relevant to all our interests.
Here's some screens!
Also, view them in hi-res here, thanks to NeoGAF.