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Zuiko Digital ED 9-18mm f/4 - 5.6 Anonymous
New consumer ultra wide for Olympus launched along the new E-520.

I think the changes are new AF mode for Live View along with a larger screen.

Dunno if the new lens is meant to replace the 11-22 or complement it.
>> Anonymous
Definitely complement. The 11-22 is medium-grade, which means it's big, fast and weather sealed. This one is lightweight, slow and cheap. It also filled the (imo) biggest hole in the 4/3s lineup, and is exactly the lens I wished for, so I'm happy.

The 520's a bit of a disappointment, though, as I was hoping for a bigger finder, and/or for oly to ditch the entire 5xx line in favor of an enthusiast model(between e-x and e-xxx.). The new sensor is nice, but not enough to make me upgrade from my 410. I doubt many people will care about the live view fluff.