I was randomly browsing and saw Amazon had the Champagne Gold version at about £100 less than the normal grey Android version. They said 10 in stock, I've ordered one to play with. So 9 should still be available.
I've found no definitive way of dual-booting this into the Windows version (the keyboard layout is also different according to the forums) but it may be possible in the future.
Shipping is whatever is normal, but I am a Prime customer so can't tell you from the listing I see.