A good percentage of tournament pros are now using tungsten 100% of the time because of its many advantages. Here are some of the positive characteristics of tungsten fishing weights.
  -Tungsten weights are smaller in size and denser in weight.

  -Tungsten produces more sound under water.

  -It has a better feel 
on underwater objects.

  -Produces a smaller bait profile in the water.

  -Does not have the toxic characteristics of lead.

  Bottom line is if your fishing and you want to be elite and put your self in position every time to land that fish of a lifetime you have to be very precise with every single cast and tungsten is the only way to go.