What's the line on an X Pro 2 in 2013

Who knows? There is certainly no concrete information available.  If you wait for the next best thing, you'll be waiting forever.  If you need a camera now, waiting a year isn't an option.  Evaluate what your needs are now, buy for now, shoot for now.  If something comes along that's better, reevaluate your needs once the reviews are out, the dust has settled, and the early adopters have found all the gotchas.