curvature node
Pointiness is quite limited in it's use-cases being so dependent and affected by geometry density and layout. It would be fantastic to have a true curvature node (e.g. arnold, vray, redshift, keyshot) - for procedural shading and baking.
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This proposal needs a lot more fleshing out.
Are you asking for a full node or an additional attribute in the Geometry node that Cycles uses? Please be clear about this and explain it from a Blender context.
Assuming it's an additional attribute in the Geometry node, what would example output from this socket look like (compared, for instance, to the Pointiness attribute).
Of course, if you're describing an entirely new node, then more information is needed there... What would the inputs and outputs to the node be? Are there any control parameters or sliders in the node? What would they be and what controls would they provide?