I like to repeat like a broken record:
you get the full potential of FCPX only by learning and using the keyboard shortcuts!
… and, without owning one, I dare to say, a FC/pro keyboard is of little use with FCPX.... 😮
In random order, what comes to mind first, and frequently in use here:
- cmd-6 to open color-board? no such thing in FC/p afaik
- shift-F to find source in Event-Browser? no such thing in FC/p
- 1,2,3,4… to switch Multicam-angles? no such thing in FC/p
- cmd-opt-arrow-down to overwrite in storyline? no such thing in FC/p
- … tbc …
FCPX is packed of so many unique features, you miss most with an old list…
just compare
http://help.apple.com/finalcutpro/mac/10.2/?lang=en#/ver90ba5929
with the features of FC/p....
I guess, you don't need an overlay for 'NLE generic shortcuts' such as J/K/L … 😉
btw: just to mention, there are keyboards, overlays and stickers avail for 'new' FCPX; I have a post-it attached to my monitor 😝