I like the info this gadget gives out, and I like that the courses are pre-loaded without any computer hook ups or extra subscription fees. I am not completely confident that the yardages are spot on, because I have had two range finders standing at the exact same spot and have had discrepancies of five to ten yards. Who's to say what was right. I am not saying I hit laser guided distance shots, just that it would be nice to know for sure how far it actually is so that you can dial in your clubs.
I like the hazard yardage front and back distance of bunkers is a big help. It does not tell you lay-up yards but it is easy to subtract 100 yards from the number you are trying to hit.
I have had a problem with the unit not having a charge when I get to some courses. I don't know if was leaning in the bag and got turned on by accident, or ?? It has happened 3 times when I know it was fully charged when put into the bag.
I read the new models coming out have a AAA battery back up feature.
There has only been one course that was not in the unit, which was Vista Valencia, a par 62 course.
If I had the chance to get the one with the battery option I would have waited. These units do save you shots on the course.