“The E-PM1 doesn’t quite perform up to the same standard as the flagship E-P3, but with a substantially lower price point, that’s to be expected.”
DigitalCameraInfo has published their review of the Olympus PEN Mini E-PM1, an Interchangeable Lens Camera with 12.3MP resolution (on a 17.3 x 13.0 mm High Speed Live MOS Sensor), Sensor-shift Image Stabilization, Dust Reduction, an extra large 3.0-in. LCD (460k-dot), Full HD Movie (1920×1080/60i) with stereo sound, Intelligent AUTO (auto scene recognition), PASM modes, Scene Modes, Shutter speed range of 60 – 1/4000 sec. plus Bulb (up to 30 mins), Continuous Shooting at 5.5fps, RAW file format, a hot shoe, and Art Filter.
You can read the Olympus E-PM1 Review @ DigitalCameraInfo.