The movement in that looks pretty good to me. Personally, I'm not doing animations, but I think dynamic hair is superior to "regular" hair even for stills, particularly once the head is out of the "straight up position." Not to mention that it renders better in recent versions.

Now that I have figured out how to get my hair to move with V4, I've been doing a bit more work with the dynamics controls. Here's V4 doing a pretty sharp bend.

For those who aren't aware, the Gravity setting is a bit unintuitive (to me, at least): negative values means stronger gravity, positive values essentially means anti-gravity. So if you want the hair to fall down, you need to slide left. In this little test, I discovered that you probably need to have a bit more gravity than the Hair Room gives you by default if you want hair to fall forward properly in a position such as this. In this image, most of the hair groups are set at about -0.000600. (I think the default is somewhere around -0.000350 IIRC.)

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Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3