getting a crossbow for my dad hes 70years old but still in good shape. was looking at the pse crossfire or barnett quad 400 or the horton brotherhood pgs they are about the same price which one is the better of the 2? also any info on any other crossbow packages in this price range would be great. im new to crossbows. ive always just been a compound bow guy. so any help would be gr8 so whats the best in my price range?