Aluminums, they have better tolerances for the money than most carbon arrows do. I have shot both and prefer aluminums over the carbons.

I have never messed up an aluminum arrow that would not have ruined a carbon as well.

The "they are straight or broken" thing is a big myth, carbons can and do go bad. And unless you are paying good money for the really good ones chances are they may not be that great right out of the box.

And carbon arrows are not faster than aluminums if they are the same weight. Carbons are considered faster because you can get lighter arrows with the same spine rating most of the time. However if you want to shoot a 450 grn arrow it will not matter what type you pick they will both shoot the same.

My opinions anyway.

Paul