Anyone with one of these cards tried editing video files or motion graphics yet?

I'm interested to hear your thoughts on the performance, particularly with Adobe Premiere and After Effects, with 1080p and 4k files.

In case it's helpful, here are a few benchmark tools for creative applications:

SPECviewperf 12
SPECviewperf 12 download

Adobe Premiere

NBR Creative Benchmark Project (Photoshop, Video Editing, Motion Graphics, 3D Modeling, CAD)