Hi Justin,
This is the existing set of short-cuts:
F1 Help
F2 Arrow
F3 Link
F4 Action
F5 Run process
F6 Decision
F7 Calculation
F8 Data Item
F9 Collection
F10 Step
F11 Step Over
Shift+F11 Step Out
F12 Full Screen
CTRL+2 Transparency 20%
CTRL+4 Transparency 40%
CTRL+8 Transparency 80%
CTRL+0 Transparency 100%
CTRL+S Save
CTRL+Z Undo
CTRL+Y Redo
CTRL+X Cut
CTRL+C Copy
CTRL+V Paste
CTRL+A Select All
SHIFT+Mouse Scroll Zoom
CTRL+Mouse Scroll Horizontal scroll
CTRL+Q Close
ALT+F4 Exit