Those are AWESOME target arrows. I almost got some of these actually.
However! You won't like those Aluminum shafts when you start shooting 3d with people. I'd suspect that they will get beat up pretty good. Not sure if, or how bad it will affect them, but I guess you'll find out!
As far as long ATA. I'll agree, I'm more comfortable with a longer ATA. I'm still up for grabs for my hunting bow in 08'. I know I'll be hunting with the Cardiac, but I feel obligated to shoot atleast one bow that came from my shop [&:]. Decisions, decisions.