Aaron,

If you can find a Siace 45-70 double they are great guns. I have one and its shoots really well with a 405 gr bullet at about 1650 fps. This double is well made and very pretty.It has a Euro style stock with way too high at the comb but my belt sander took care of that. When I bought mine about a year ago the price was $5200. I my opinion you won't find a better fun gun for that kind of money.
Merkels are also nice guns and the 9.3X74R is a good caliber.

Sam