The new Olympus 12-40mm f2.8 micro four thirds lens picked up a new review, waiting for you at Fotopolis.pl (computer translated). Optyczne.pl translates their lens reviews to english at LensTip.com but Fotopolis.pl does not - thus the computer translations.
The new Olympus f2.8 lens that came out together with the new Olympus E-M1 camera has received a brand new high profile review, it is waiting for you to read at Imaging Resource's SLR Gear.
As of the time of writing, the lens remains in pre-order at $1000, but some sellers are offering it for $1100 or even $1200. For the latest updates, stay tuned to the E-M1 and 12-40/2.8 Stock Status page.