10.0

Modify
+M
Frame
+B
Runaround
+T
Drop Shadow
+Option+Shift+D
Duplicate
+D
Step and Repeat
+Option+R 
Step and Repeat (Plus and East Asian editions only)
+Option+D 
Delete
+K
Group
+G
Ungroup
+U
Lock Position/Unlock Position
F6
Send to Back
Shift+F5
Bring to Front
F5
Bring Forward
Option+Item > Bring to Front or Option+F5
Send Backward
Option+Item > Send to Back or Option+Shift+F5
Space/Align
Left Align (Item Relative)
+Left arrow key
Left Align (Page Relative)
+Shift+Left arrow key
Right Align (Item Relative)
+Right arrow key
Right Align (Page Relative)
+Shift+Right arrow key
Center Align Horizontal (Item Relative)
+[
Center Align Horizontal (Page Relative)
Shift++[
Center Align Vertical (Item Relative)
+]
Center Align Vertical (Page Relative)
Shift++]
Top Align (Item Relative)
+Up arrow key
Top Align (Page Relative)
+Shift+Up arrow key
Bottom Align (Item Relative)
+Down arrow key
Bottom Align (Page Relative)
+Shift+Down arrow key
Display Space/Align tab of Measurements palette
+, (comma)
Shape (convert Bézier line to filled-center Bézier box)
Option+ Item > Shape > [Bézier shape]
Edit
Runaround
Option+F4
Clipping Path
Option+Shift+F4
Point/Segment Type
Corner Point
Option+F1
Smooth Point
Option+F2
Symmetrical Point
Option+F3
Straight Segment
Option+Shift+F1