EIM good: Layers system - Knives and Booleans - Tesselation to polys
EIM bad: Rounds and Fillets, very crash prone, error trapping should cancel the action, not the application.
Surface tools - difficult to use, g1, g2, g3 blends hard to make happen.
Derived lines - intersection lines and projected lines were unstable, made further operations difficult or impossible.
Isometric display - very funky, needs a true 3d perspective display a la MoI.
EIM add: Need pop up inferences and construction guide lines (mid, tangent, perpendicular, angles, equal heights, etc. see MoI).
Snapping should have better user feedback, it should “SNAP” so you know you’ve acomplished the move.
More intelligent (intuitive) workflow. MoI uses the same tool for trims, doesn’t need a wire knife for wires and a sheet knife for surfaces-same tool. MoI doesn’t require you set a workplane, where you set your points based on snapping and construction inferences determines where the element goes.
History Tree- features should be adjustable all along the workflow to allow updates as the design idea develops. These updates should propogate out to EIAS.
UberNURBS needs to have SOTA sds modeling tools, including cuts, loop and ring selections, inset, soft selections, etc. High Frequency detailing via the paint workflow would be nice - see Silo and ZBrush.
UV Mapping - texture alignment tools.
Morph Target modeling.
There’s more I’m sure, but if you could meet the ease of use and stability of MoI, it would be a start. UberNURBS needs to approach the Silo - ZBrush level of functionality to attract more users back into the fold.
And for God’s sake don’t leave us hanging. Training, training, and more training. Adobe got big in part by making sure people knew how to use their stuff. Training.