I have one of the Baikal SXS .30-06 rifles. Got it at Gobles in London. I was astounded to find that an old one-piece air rifle scope mount fit perfectly on the rail mounted on the gun. I slapped a Bushnell Elite 3200 1.5-6X scope on it and I was off to the races.
I tried several different loads in it that I happened to have lying around in my ammo locker, and found that I had two fairly decent barrels, each of which printed a fairly decent one to two inch group @ 100 yards with most loads. The barrels didn't print close together with most loads as the gun came out of the box, but by adjusting the screw-type tensioner mounted in the rib between the underside of the barrels, ahead of the fore-end, I found that most loads could be moved fairly close together. The adjustment only moves the groups horizontally, so they must be more or less on the same horizontal plane in order for this to work.
The gun has quite good fit and finish, reasonably crisp triggers, plain but well executed wood and checkering, an attractive satin finish on the metal parts, and no plastic anywhere that I can see. For the money (on sale at 900 bucks) I think that it was a steal. Think about that again...a double rifle for less than a grand.
For comparison, I have one of the Kodiak SXS .45-70's, the gun that Marstar is listing. I paid $2500 for it, used but in mint condition, about 4 years back. It is gorgeous in every way, has beautiful wood, browned barrels, colour case-hardened receiver, and shoots two great groups. In four years of shooting it I have yet to find a load that prints both barrels as close together as the Baikal does after fiddling with the adjuster for less than a half hour.
I also have an older Zoli over/under double rifle in 7x65R, a low-to-medium grade European style gun that doesn't shoot worth a d**n with anything other than one weight of Fiocchi ammo. It's just too cool to sell.
Bottom line...get the Baikal. For the money, you can't go wrong, and the double rifle experience (even the budget double rifle experience!) is definitely worth trying.
John