As promised, now that finals are over, I've done some more head to head testing of these two lenses. This is by no means an all-encompassing, or perfectly executed test. It's just one amateur's attempt to make a side by side comparison. So far my assessment is: They're very, very similar. These are all center crops. The pictures were all taken at the same settings, in kind of cruddy light, with +2/3 stop compensation. Looking back, I think it could have used a bit more. Also as requested, I moved the camera back to make them both have approximately the same field of view, since the Oly is actually noticeably wider than the Pana. 25mm Sharpness Compare by Jamison Sword, on Flickr I did notice that the Panasonic was noticeably faster at focusing, especially in low light. I'll be going out to Christmas festivities this weekend, and I'll try to do some comparison shots in real-world situations, which should tell us a lot more.