Been shooting/hunting with a crossbow for the last 25 years. Had a special permit for use before crossbows became so news worthy.. For the last 6 years I have been shooting a Horton Legend, 150 lb. with a Vari Zone scope. It's excellent. Change the string every other year, and re sight, keep the string waxed and the rail lubed. A drop of oil on the cam shafts. Keep the track cleaned of grease and junk. Wax your arrows and fletchings with Pledge, they will slick right off the track. Best advise I can give you, whatever you buy, practice, and practice some more. 35 yards is my max shot, but my stand is set up for 20 yards, where they cross. And you will hear these blow hards claiming 70+ yard shots. It can be done, but they are not true hunters or sportsmen. Know the effective range and make a clean shot and a clean kill. I use NAP 100 gr. Spitfires on Horton Carbon fiber arrows, and have never lost a deer. Farthest I have ever tracked one is 60-70 yards. Just wait for a good broadside shot and it'll punch right thru. If you don't get the right shot today, pass it and you'll get it tomorrow. And that's hunting, not killing. Good luck, T.