Try shooting one of these,
$29.99 for 3 at BassProShop.
They have great ratings. I shoot these myself. They do perform better than any others I have used.
Rocky Mountain® Gator XP™ Mechanical Broadheads
http://www.basspro.com/webapp/wcs/stores/servlet/Product_10151_-1_10001_17516_450002003_450000000_450002000_450-2-3
Hope this helps,
Dan