Ctein has published his take on the Rokinon 85mm f1.4 Micro Four Thirds lens at The Online Photographer, mounted on a M43rds camera. Rokinon is one of the many names that Samyang lenses go by. [corrected: this is a Four Thirds lens, not a M43rds lens!]
The Leica 14-50mm f2.8-3.5 Four Thirds lens got a review translation in english at Lens Tip. The original review was posted in 2007, when Four Thirds was still the primary focus of Olympus and Panasonic.
It is Four Thirds time at LensTip where they have published their english-speaking review of the Olympus 14-35mm f2 SWD lens. This is their usual format, 11-page detailed review, so be sure to check it out if you are considering considering this lens. Full-size samples taken with the E-3 along with conclusions can be found on the last page of their review.
The Olympus Four Thirds zoom lens, the 18-180mm f3.5-6.3 has been reviewed at e-photozine. Please note this is a Four Thirds lens. Olympus has the old OM, along with the new Four Thirds and Micro Four Thirds mounts to tend to.