Very interesting. I would definitely not say it is real based solely on that picture as it is very blurry and looks a little 'too good to be true' (unless this thing is pretty huge, the guy that took this must have been very close to it).
But I will say this, if it is a PS, it is a pretty good one, as I cannot easily see any obvious tells (maybe it's the blurry hiding it) and whoever made it has remembered to add in a lot of very good details, like adding the antenna to the top.
The picture has got me hopeful, it's not yet enough to overcome my suspicions. Let's see what the coming weeks and months bring.
If this is real, I wonder which will now get more attention, Dark Sword or the J20?