Xtec and Vtec are pretty much the same. Grip on the Vtec and Vipertec certainly don't feel as "skinny" as with the Xtec. Some like that feel...I am not one of them. The limbs on the Vipertec (32.5 ATA) are more parallel than the other two, but isn't quite as smooth on the draw (typical in smaller bows). I bought the Vipertec over the Xtec because it felt better in my hands and like the idea of a smaller bow when on stand, etc. Bottom line...they're all good bows.