I've shot many different types and spine of arrows over the years. Started with fiberglass, the got Easton 24SRTX aluminums. Soon graduated to XX75 and then to X7's. Played with Beman and Easton extruded carbons in the early 90's.
In 1995 I got Easton ACC 3-18 and two years later 3-28's. I still have at least half of each size left.
About 8 years ago I had some Blackhawk Vapor 23 Speeds for 3D and they were decent arrows. Also shot Beman ICS and Easton Litespeeds. In 2004-2006 I was a shooter for Gold Tip so shot some of their Ultralite Pro series of various spine defelctions.
Have never shot Carbon Express simply because they are too hard to pull from 3D targets. The only thing they really pull hard on is your wallet. Then again, I don't lose or bust up arrows much so a dozen of anything lasts me as long as ten years or more.
Now, all this rambling brings me to an answer to your question. For pure quality and accuracy I find the ACC's to be the better of all the arrows I've shot. This is due mainly to spine consistency. I could care less about straightness or weight tolerances so long as they are reasonable. Spine is where the accuracy comes from.
I do not consider cost an obstacle (to a point) when it comes to arrows. People will spend $800 on a new bow and then scrimp on the one item that delivers a broadhead or target point to it's intended mark. They get it all backwards.
If You're Not Living on the Edge You're Taking Up Too Much Space
Martin/Rytera Staff Shooter
PSAA Life member, UBP Life member
PADI AOW Diver