Here's a pretty fair "hands-on" comparison of the E-M1 Mk II compared to the Fuji X-T2. Swings and roundabouts...take your pick.

http://mirrorlesscomparison.com/fujifilm-vs-olympus/omd-em1-mark-ii-vs-fuji-xt2/

http://dc.watch.impress.co.jp/docs/review/em1interview/1039689.html

Olympus implemented new advanced noise reduction, now in raw also

Olympus claim it’s a newly developed sensor and with lower noise, and both wider dynamic range and improved color discrimination at all ISOs it is one of the most significant upswings in performance we’ve seen in this format.

While the E-M1 Mk II sensor proved to be competitive in some aspects with the APS-C sensor in the D500, against the full-frame Nikon D750 it is unsurprisingly, still some way behind. From base to ISO400 the Nikon D750 sensor has only slightly wider DR than the D500, but that equates to a solid 1.5 stops at base over the E-M1 Mk II. Moreover, the full-frame sensor has far better color discrimination and lower noise than either: in our low light ISO test, there’s an improvement of around +1.25 EV over the E-M1 Mk II and D500.

https://www.dxomark.com/Reviews/Olympus-OM-D-E-M1-Mark-II-sensor-review-New-standard

Astro usage

http://seldomscenephotography.com/2016/12/28/the-olympus-e-m1ii-and-backyard-astrophotography/

Olympus MK II main motherboard

MB shows that happens as your integration level drops and you slide to level of Canon.

http://www.pattayadays.com/2016/12/shooting-action-with-the-olympus-e-m1-ii/

Tomoki Imaura interview

http://dc.watch.impress.co.jp/docs/review/em1interview/1035789.html

Video sample

UHS-II card advantages

http://dc.watch.impress.co.jp/docs/review/special/1036092.html

Olympus OMD E-M1 II stabilisation test with 300mm lens

http://dc.watch.impress.co.jp/docs/review/newproduct/1035169.html

Not too impressed with the flesh tones from the Cinema5D review. Still, this was not a rigorous test. Still waiting for someone to keep the camera for several weeks and really wring it out.