Ain't it great being left-handed? *I am a lefty also so I feel your pain. *Your best bet is to spend some quality time searching for a custom builder like Harpers,
Custom Guitar Wares or the like. *You might even try getting one of the plain s470L and making it your own through some wild customization. *I have a lefty 555 and before I found it I had some pretty wild ideas. *Good luck.
Their are a bunch of folks that will build anything for you just be careful some people are ruthless to lefties.