Well I have been shooting with the E5 for quite some time but have never really posted any thoughts on it. But I guess it time to share some info.
First off the LCD is a dream. Bright and clear even in sunny weather.
Second, I love is the level gauge. Enough said.
Third, focus speed is noticeablly faster than the E3. Mostly I notice it more with the 50-200mm
Four, Image quality, definitely sharper a thinner AA filter makes a big improvement. Noise is a good stop and a half to two stops better than the E3. Color rendition, out of camera Jpegs look better to me. Crisp would be a good word. I have printed up huge panos, 48x18 and 20x36 and the detail is stunning. If you want more IQ than the E5 can put out your asking a lot. For what I do the IQ is plenty.
All in all the E5 is a nice improvement over the E3. Kudos Olympus.
I can't wait to see what the E7 will bring to the table.