"PS4"s at Gamescom seem to be running on devkits

[Nsanity]

Saw this over on NeoGaf:

The only instance I've seen of this so far, but it is interesting. Also nice to see they are using Windows 7.

https://twitter.com/corentin_lamy/status/370581323775090688/photo/1

People are reporting that this is not the case at the main Sony booth, but at others