A jpanese company is selling M4/3 adapters. It is nice to have such a large choice of adapters (Voigländer, Panasonic, Novoflex, Olympus and now Rayqual)
http://www.japanexposures.com/images/2009/06/rayqual-e-p1.jpg
The new adapter on the E-P1:
http://www.japanexposures.com/2009/06/22/rayqual-m43-adapters-on-the-olympus-e-p1/