Digitalcamerainfo tested the Olympus E-PL1. You can read all the 21 pages of the review or jump to their final conclusion page.
Asahicamera tested E-PL1 (google english translation)
The shortest Panasonic G2 review ever posted is made by T3.com :)
A more detaiiled G2 review has been made by pocket-link. Also the japanese blog journal.mycom.jp posted a G2 review (google english translation). Ganref posted few G2 image samples.
PCmag tested the minor brother of the G2….the Panasonic G10.
That’s it!