RE: What do you define as " straight" ?
Mark, get yourself a Grayling arrow straightener for 60 bucks. It has a dial indicator that makes it easy to keep ' em straight. I' m able to keep my cedars straight to within +/-.003. Usually takes about 10 seconds/arrow. Before I go to a shoot, I run all my arrows through it. Many carbons don' t come any straighter out of the box. Oh, and don' t let your shooting partners pull your arrows!