if i may;
good made bows do make a differance as mentioned but i also believe that each must match his/her shooting style with bow chosen; i am also a firm believer in good form and consistent anchor; i believe one of the biggest problems is people trying to shoot too heavy of poundage,seen it too many times; beeing "over bowed" is common and equates to poor accuracy;
one must also "experiment" with different arrows as far as weight,lenght, material of arrow, foc,different grain fieldpoints/broadheads,style of broadhead, ect;ect;
i believe in practicing alot with broadheads as to my accuracy; so being said, isn't it great to have to be involved in all of this? it just gives me more reasons to be out and about shooting my longbow in which that gives me great pleasure......