Olympus OM-D E-M5 Mark III: Video
Sony A6600 VS Blackmagic Pocket Cinema Camera 4k (TheEveryDayDad).
Olympus PEN E-PL10 Review (Photographyblog).
OM-D EM-5 III review in Russian, a lot of pics + raw (Outlier-v.livejournal).
Delkin Announces BLACK-Series SD and CF Memory Cards (Explora).
Plenty of news on the facebook OMD group, Panasonic FF and the GH5 group.