point a to b camera - just like the current turntable ability, to animate from one camera to another then selecting how may frames between. (also the ability to ease in out on that camera) this could be an easy way to add simple camera animation capabilities.
volumetric lighting - using hdr materials applied to geometry creates lighting but would be nice to add some glow to that as well.
As I said here:
http://keyshot.com/forum/index.php?topic=219.0
This is something I could define essential if rendering interiors.
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