>>    ^K R     insert file at cursor point
> Hmm, not sure if this is bound by default

^X I

>>    ^K W     write block to file
> Ctrl-X Ctrl-W to write to a file in emacs, write a block to a file?  
> Hrm...

M-X write-region, not bound on my emacs.

>>    ^T       toggle modes (e.g. insert/overwrite, line wrap)
> Modes in Emacs are a bit more complex.

Insert works for me, line wrap comes in two flavours:
 - displaying (one line in the buffer is or is not allowed to span
   multiple lines on the screen
 - auto-fill-mode, which is nice for text, but not nice for code, imho.

Have fun,
Kero