Steam version worth playing?

I had been looking forward to this since I first heard about it, and then immediately purchased it when I saw that it was on Steam.

I was upset to later find out that I do not have the latest version of the game, with no word of when it will be updated?

I'm curious if it would be worth it to start playing the Steam version now, I don't want to just end up frustrating myself, and I don't want to have to start a new game whenever the updates are finally released. ...but is the Steam version worth playing at all right now?