I have been playtesting Draw Steel for nearly a year by this point.
https://docs.google.com/document/d/1BrTEPvCanh-zYX1dbsFbq9odOTpCBmQl0DdjgqTcNBU/edit
I think it is a fairly decent 4e-like game. It plays like a cross between 4e and Tom Abbadon's ICON.
I have the post-release core rulebooks by this point. I think they are okay. The player book's layout is on the mediocre side.