Anyone know if the rift would work on the newest high end model iMacs with the AMD M390? Obviously still have to run it via Windows I assume but just wondering if it would even work on them.
Your GPU has an "M" in it. I don't have hard evidence, but my experience says it won't work.
Our development for OS X and Linux has been paused in order to focus on delivering a high quality consumer-level VR experience at launch across hardware, software, and content on Windows. We want to get back to development for OS X and Linux but we don’t have a timeline.
Even the latest 5k iMacs don't meet the recommended spec for the Rift (due to the M390), but it will "work" ... it's just not guaranteed to perform at an optimal level.