Have you listened to or considered a smaller Focal like the Chorus 807v.
http://www.dedicatedaudio.com/loudspeakers
They sounded very similar to the Chorus 816v to me with just a little bit less low frequency impact but just as detailed and room filling.
Another possibility not mentioned above are Axiom M80s.
http://www.axiomaudio.com/m80.html
Also very detailed even at higher volumes.
I compared both in the same room with the same equipment and thought that the Chorus 807v had a little better clarity while the M80 had more impact.
As suggested above by ParadigmDawg you really should listen to the speakers before buying them, preferably in your own room with your equipment. If you can’t hear them in your room try to make sure you can return them because how they sound in the studio may not be how they sound when you get them home.
Another suggestion is to see if your local Focal dealer has a trade-up program. That way if they carry a smaller Chorus like the 807v you could buy that now and upgrade to the one you want later.
My last suggestion is that if you really liked the Chorus 816v delay your purchase until you can afford them. At least this way you may avoid second guessing your purchase.
Cheers,
Dean