Olympus this morning preceded PMA with a launch for the E-620. The camera replaces the mid-grade E-520 and is not only smaller but also billed as the smallest DSLR with in-camera image stabilization; it also gets the 12.3-megapixel sensor depth and TruePic III+ image engine of the E-30 that let it shoot between ISO 100 (in extended mode) and ISO 3,200, but scales back to 4 frames per second and a
