From what I've heard, the bores of all of them are usually in great shape, since GP11 isn't corrosive and the troops had to keep them clean.
IMO, the walnut stock looks nicer, and I'd looked through a rack of CAI imports at a local shop for hands-on picking, since the stocks vary from "just a few dings" to "beavers have been at it" or serious water staining at the butt end. I'm also fortunate to have a local shop where the owner is smart enough to know that his customers look at the CAI website too, and only marks them up about $20, which is fine when you consider what you'd pay for shipping and transfer if you don't have a C&R.
If it was representative of the usual from Century Arms International, the one I got (made 1943) was good, since it's in great shape, rich warm-red walnut stock, and came with all matching serials, the brass muzzle cover and the original sling on it. The stock of mine seems to be unusual, since it's nearly in as good shape as you'd expect a Garand's to be. No chewing, just some bump dings and such.
Oh, yes, and CAI put their stamp waaaaaay out at the muzzle on the side of the barrel, barely visible, not dug into the side of the reciever to ruin the period aesthetics.