Free: Contests & Raffles.
I am using the 5 pin IQ Bowsight (http://iqbowsights.com/). Very happy with it. Super easy to adjust and lock down once set. The retina lock helps with getting anchored at draw. If I ever replace mine it would be with a 3 pin version. Really you need to have ambient light for the fiber optics to work regardless of manufacturer until this State says it is okay to add lights to the bows.