Mr.MOA,
there are mixed reviews/opinions on the Sendero but for the most part they are solid performers. I have had a couple/three over the years (try to keep one or two!) and they have all shot under 1/2" with tailored handloads.
The first two I owned were the first generation, unfluted and blued. The first was in 7mmRM and it shot absolutely wonderful. It was one of the most accurate rifles I ever owned. I liked it well enough I bought another but in .300WM. It too was accurate but I didn't need the extra recoil and eventaully traded it for a 700VS (BDL wood stock) in .243Win.
I eventually shot the barrel out of the 7mag and traded it for a 700P in the same caliber. Once the barrel got broke in good it started printing sub 1/2" groups also. The trigger was terrible and I swaped it out for a Shilen. Nice trigger.
In the mean time, I traded that cute little 700VS (.243) for a Sendero SF (stainless, fluted) in .25-06 and still have it. It too shoots sub 1/2" groups and dropped its first Georgia whitetail last season.
I have owned one other 700 VS (Varmint Special - wood stock) in .22-250 and another VS (Varmint Synthetic) in .22-250. Both were fine, sub 1/2" rifles.
In my youth I was a dedicated Remington man but over the years I have gravitated toward others that I have found to be just as capable and as accurate.
I currently have two Savages, one a 112BVSS (.300WM) the other a 12BVSS (6.5-284Norma) and both can hold their own and do shoot sub 1/2". I also have a Win70 HVB in .243 that is as accurate, if not more so, than that first Sendero I owned.
The common denominators with all these is; heavy barrels, solid foundations (stocks), crisp triggers, good optics and handloads and lots and lots of shooting experience.
Good luck with your decision. JohnnyK.