The menu set for 2008 is a follows:

Animation Menu set for everything animation
Polygon Menu set for all your polygon needs
Surfaces Menu set is for all NURBS and Sud Division stuff type things
Dynamics Menu set for the VFX person in you
Rendering Menu set for making pretty pictures
nCloth Menu set for... nCloth really
Live for the wonderful Maya Live system (activated in Plugin Manager)
Classic Cloth, also activated by plugin manager if you have a valid licence.

All Polygon options and tools are found in the Polygon Menu