Olympus E-30 was announced in 2009 and is a Micro Four Thirds (17.3 x 13 mm) DSLR camera with 12 Megapixel CMOS sensor. Its native ISO ranges from 100 to 3,200. The camera has a Fully Articulated 2.7" screen with 230k dot resolution and built-in Optical (pentaprism) viewfinder. It has a built-in Sensor Shift in body image stabilization.
Here is the Olympus E-xx series lineup, where you can view and compare the main specifications of the cameras within the same series.
You can view their side-by-side comparison here: Olympus E-30.