If you want to take advantage of technology advances in golf equipment, you should consider updating your "old" driver. The new, larger headed drivers will provide the following benefits over those designed twenty five to thirty years ago:
That’s the good news. You need to know, however, that the actual gains you get on average, will be less than the technology can provide. Impacts that you and I make are generally less than perfect hits on the sweet spot. Therefore, I’m afraid it is back to the range and the old faithful BOB system (Buckets Of Balls)!