Get yourself a nice Noise Reduction plug-in for your image editor. The noise
problem is not the camera and not the lens. It is the sensor, the size of
the sensor and the number of MP it has. The more MP you cram on to any given
sized sensor the worse the noise will be at high ISO. Noise reduction
plug-ins do a very good of removing noise. So much so it is a shame camera
companies don't put in enough memory and a powerful enough processor to run
something like Neat Image or Noise Ninja in the camera instead of what is
usually poor noise reduction.

Somebody!