I like have endless choices for arrows, rest, sights, bows, etc. Instead of going to the archery shop and ordering a " # 1", which was a Whitetail 2, dozen gamegetter 2's, and some razorback 5's.

I don't miss:
overdraws
flipper rests
crackshot releases (i must have dropped the one I had 5,000 times)
brass sight pins (had to raid moms finger nail polish to brighten them more than once)
butane handwarmers (anyone ever use those dangerous SOB's??)