If you're still in the market for a 470.
There's a NIB Merkel up here for sale. Not mine but it's close to here.8K with some ammo.

http://alaskaslist.com/1/posts/9_General/63_Guns_Hunting/92175_Merkel_470_Nitro_Express.html

BTW I voted for Chapuis because I have a 9.3 from them and love it.