Just wondering what the difference is between a 2005-2006-2007 Bow Tech Allegiance, and if one yars is any better the the others.And also do you guy's think that a 2005 BT Allegiance VFT bow that is in mint condition that has only been shot approx. 100 times and is equipped with winners choice strings, Trophy Ridge guide series drop away rest, Thing stabilizer, True Glo 3 pin sight,Wrist strap, string leaches, limb savers, Ultra nok XL and peep is worth $550. and if so how much would it cost me to change it from a 29" draw to a 28.5" draw and would that also be worth it. Thanks guy's....