The E-330 is a four thirds D-SLR. It was the first D-SLR with live view. The E-330's dual sensor solution to this problem does make the camera a heafty 615g. This is light for a D-SLR but not one using the four thirds standard which is designed to be more compact. The E-330 has a 7.5 Million pixel live MOS Sensor.
For more information on the E-330 click here