Found this
article
which basically states a golf ball should be OK for 10 or so years in the proper conditions. I think the most important question you would need to ask yourself is what are you trying to get out of a golf ball (distance, spin, control, etc.)? There are many options now that cater to different swing speeds, shot trajectory, etc. There are options online to help narrow down the options. Here are a couple...
Titleist - http://www.titleist.com/golf-ball-fitting/
Bridgestone - http://www.bridgestonegolf.com/product/ball-fitting
Srixon - http://ballselector.srixon.com/
Nike - http://www.nike.com/nikegolf/ballrecommender/us/en_us/#/