Not ragging on them or anything, but I like how the video looks like it was put together in the 80s. Gives you an idea of the disparity between filmmakers and the engineers/etc. who design our equipment.

Am I understanding this video correctly -- the Video Assist Monitor downscales from a 4K input, even via HDMI? So if you used this with an A7s, you'll get that crisper scaled HD image?

I hope so. Not to mention it records to wonderful + cheap SD cards.

Aside from the frame rates, are there any other important spec differences between the URSA Mini and the regular URSA? Is the picture quality going to be the same?

You're responding to a different issue. I'm saying the screen is a ploy to jack up the price and kills the battery life, it's not an issue of durability. These companies are forcing camera owners who want 4K to purchase an all-in-one product.

This looks awesome, no doubt. But honestly, is it really so hard to develop a portable 4K recorder sans screen? These screens and all their features just jack the price up and destroy the battery life. And at this point, I feel like these companies are doing it intentionally.

In a wide open market, a $1000 portable 4K recorder for the A7s would make a killing. But Atomos, Odyssey, and Sound Devices want us to spend two or three times that while we have no choice.

Take two seconds to google this and you'll find more comprehensive results than anything NFS will supply.