For me it's a matter of simplicity. You double-click on the thumbnail and it loads the figure. Like it is for V4. Simplicity is good. Plus, I do like the way the figure is rigged. The neck is split in two section, which makes it for a more natural look. The articulated jaw is verynnice too.

 

So, it comes down to great rigging, simplicity and good looks. What's not to like? :)

Paolo

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