What are the benifets of getting i new putter?

There are two kinds of putters. One is weighted a certain way so that it fits a golfer with an arced putting stoke. The other is weighted for a golfer who has a more straight back and straight through stroke. You should search for a golf center that does putter fitting. If you can't find one, Odyssey has an online putter fitting module on their website, or find a putter that feels good that has adjustable weights like Titleist or Ping.