Slrgear tests the Olympus 70-300mm f/4-5.6 ED Zuiko Digital
Slregear made a in depp review of the Olympus 70-300mm lens: http://www.slrgear.com/reviews/showproduct.php/product/1102/cat/15
In short: Zuiko lenses never disappoints ;)
The Olympus Zuiko 70-300mm f/4.0-5.6 ED Lens