Ctrl-Shift-I (Insert vertex)
Ctrl-Shift-L (Slice Surface)
also 'Remove Surface Only' is another big one that doesnt have a hotkey.
Ctrl-Shift-R (Remove Surface Only)
...Crtl-R (View>Reset All)....thats the way i have my keys set up.
o and heres that link to the TCL editing thing:
http://www.ac3d.org/forum/viewtopic....ighlight=#1738
--phil