Used the Panasonic Lumix GX1 and 1.7/20mm. Post processing in LR4.4 and Nik's Color Efex Pro 4. These aren't HDR processed, they just look that way. I was able to pull extensive detail out of the highlights and the shadows using a single GX1 exposure. Now that I've figured out how to do it with the GX1 I need to try it with the older Pens and especially the E-M5. What is interesting is that the GX1 has the same sensor scores as the E-P2 and E-PL1.