Like everyone else has stated, you are the important thing and as long as you are ok then that's all that matters.
On the car front, nowadays, unless it's a very new & expensive vehicle that has had a minor shunt then once the airbag has deployed then it's pretty much standard procedure to write it off.
At the very least (and this was a garage quoting ballpark figures) Ā£500 per airbag, same per seatbelt pre-tensioner, then the cost of resetting the electronics, slam panel, bodywork etc, etc (and all this on a JDM vehicle with the associated OEM parts costs and shipping).
And that's all BEFORE they start charging Labour etc.
On the good side, you could buy it back for peanuts, use second-hand parts for most of the repairs, and probably do the electronic side using readily available software.
Unfortunately none of the above covers the tweaks, changes and love and attention we all lavish on our beloved Elgrands.
I'm really gutted for you mate