Hello All,
I use Precision Pro NX10 Slope laser rangefinder, a Voice Caddie VC4 for quick center of green distance and the Arccos Smart Sensors. I have found all are quite accurate and very helpful. I prefer lasers for pin distance, hazard (sorry penalty area) distance and layup distance, as a laser is more accurate than gps and also quicker. I also occasionally use the Arccos Caddie in their app (it is very useful for course management).
Good golf to all and hit them where you think you are aiming!