Maya - Hotkeys (Particularly Lesser Known But Very Useful Ones)

• Context Sensitive RMB Menus
• RMB Drag, Shift+RMB Drag, Ctrl+RMB Drag 
• Gives context sensitive menus depending on what you RMB over.
• RMB - particularly useful for changing component modes (this is one everybody know)
• Shift+RMB - particularly useful for modeling operations.
• Ctrl+RMB particularly useful for converting selections
  

• Additional Marking Menus
• To use these, hold down the key and LMB drag while holding the key
  
• o key - additional modeling marking menu
• w key - move tool options marking menu
• e key - rotate tool options marking menu
• r key - scale tool options marking menu
• Sculpting/Brush Mode marking menus
• u - change brush type
• b - change brush size
  
• Nudging
• nudging move things one pixel on the screen at a time
• alt with any arrow keys (be sure to activate the move tool first)