http://www.scriptspot.com/3ds-max/scripts/spline-Data

Spline Data is a really handy tool to get realtime information about the spline curves in your 3ds Max scene.
It shows plenty of helpful data on a simple rollout floater, wich you can place wherever you like on your screen.
Instantly get informed about the number of shapes, curves, segments, vertices, etc. in your scene or selection.