I got a Timberline Archery No-Peep in the mail yesterday, installed it, and saw nearly instant improvement in my shot groups. It takes a wee bit of getting used to, but it's pretty instinctive and intuitive. Works like a champ. Getting it set up and adjusted is a bit of a PITA, but worth the time and effort. My only complaint is that I'm left-handed and they don't make a true left-handed model. You just have to turn it upside down, which sucks. It still works very well, but doesn't look exactly right. It's annoying so many companies that make archery products ignore the lefty market...my old Trophy Ridge Firefly sight is a perfect example. They say it's "for left or right-handed use" but if you're a lefty, everything's going to be upside down. Not a problem, really, and it's a minor complaint, but still annoying. That said, I highly recommend the No-Peep. Should get you longer string life and maybe 5 fps of arrow speed, too, since you won't have the peep sight in the bow string.